Tidy up code. Generate proper test png images. Merge branch 'master' into caliston1.

Conflicts:
	src/PolySetCGALEvaluator.cc

34 files changed, 1198 insertions, 63 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index b81ce8c..12b8543 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -229,10 +229,27 @@ if (NOT $ENV{GLEWDIR} STREQUAL "")
 elseif (NOT $ENV{OPENSCAD_LIBRARIES} STREQUAL "")
   set(GLEW_DIR "$ENV{OPENSCAD_LIBRARIES}")
 endif()
+if (NOT GLEW_INCLUDE_DIR)
+  message(STATUS "OPENCSG_DIR: " ${OPENCSG_DIR})
+  find_path(GLEW_INCLUDE_DIR
+            GL/glew.h
+            HINTS ${GLEW_DIR}/include
+	    NO_DEFAULT_PATH)
+  find_library(GLEW_LIBRARY
+               NAMES GLEW glew
+               HINTS ${GLEW_DIR}/lib
+	       NO_DEFAULT_PATH)
+  if (NOT GLEW_LIBRARY)
+    find_package(GLEW REQUIRED)
+    if (NOT GLEW_LIBRARY)
+      message(FATAL_ERROR "GLEW not found")
+    endif()
+  endif()
+  message(STATUS "GLEW include: " ${GLEW_INCLUDE_DIR})
+  message(STATUS "GLEW library: " ${GLEW_LIBRARY})
+endif()
 
-find_package(GLEW REQUIRED)
-
-inclusion( GLEW_DIR GLEW_INCLUDE_PATH )
+inclusion(GLEW_DIR GLEW_INCLUDE_DIR)
 
 # Flex/Bison
 find_package(BISON REQUIRED)
@@ -309,6 +326,7 @@ set(CORE_SOURCES
   ../src/expr.cc 
   ../src/func.cc 
   ../src/module.cc 
+  ../src/ModuleCache.cc 
   ../src/node.cc 
   ../src/context.cc 
   ../src/csgterm.cc 
@@ -400,19 +418,25 @@ target_link_libraries(echotest tests-nocgal tests-core ${QT_LIBRARIES} ${OPENGL_
 # dumptest
 #
 add_executable(dumptest dumptest.cc)
-target_link_libraries(dumptest tests-common tests-nocgal ${QT_LIBRARIES} ${OPENGL_LIBRARY} ${Boost_LIBRARIES})
+target_link_libraries(dumptest tests-nocgal ${QT_LIBRARIES} ${OPENGL_LIBRARY} ${Boost_LIBRARIES})
+
+#
+# modulecachetest
+#
+add_executable(modulecachetest modulecachetest.cc)
+target_link_libraries(modulecachetest tests-nocgal ${QT_LIBRARIES} ${OPENGL_LIBRARY} ${Boost_LIBRARIES})
 
 #
 # csgtexttest
 #
 add_executable(csgtexttest csgtexttest.cc CSGTextRenderer.cc CSGTextCache.cc)
-target_link_libraries(csgtexttest tests-common tests-nocgal ${QT_LIBRARIES} ${OPENGL_LIBRARY} ${Boost_LIBRARIES})
+target_link_libraries(csgtexttest tests-nocgal ${QT_LIBRARIES} ${OPENGL_LIBRARY} ${Boost_LIBRARIES})
 
 #
 # csgtermtest
 #
 add_executable(csgtermtest csgtermtest.cc ../src/CSGTermEvaluator.cc)
-target_link_libraries(csgtermtest tests-common tests-nocgal ${QT_LIBRARIES} ${OPENGL_LIBRARY} ${Boost_LIBRARIES})
+target_link_libraries(csgtermtest tests-nocgal ${QT_LIBRARIES} ${OPENGL_LIBRARY} ${Boost_LIBRARIES})
 
 #
 # cgaltest
@@ -608,7 +632,9 @@ list(APPEND ECHO_FILES ${FUNCTION_FILES}
             ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/builtin-tests.scad
             ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/dim-all.scad
             ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/string-test.scad
-            ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/string-indexing.scad)
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/string-indexing.scad
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/vector-values.scad
+            ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/search-tests.scad)
 
 list(APPEND DUMPTEST_FILES ${MINIMAL_FILES} ${FEATURES_FILES} ${EXAMPLE_FILES})
 list(APPEND DUMPTEST_FILES ${CMAKE_SOURCE_DIR}/../testdata/scad/misc/escape-test.scad
@@ -631,6 +657,7 @@ disable_tests(dumptest_transform-tests
               dumptest_render-tests
               dumptest_difference-tests
               dumptest_intersection-tests
+              dumptest_text-search-test
               dumptest_example001
               dumptest_example005
               dumptest_example006
@@ -642,7 +669,8 @@ disable_tests(dumptest_transform-tests
               dumptest_example017
               dumptest_example020
               dumptest_example021
-              dumptest_example022)
+              dumptest_example022
+              dumptest_example023)
 
 # FIXME: This test illustrates a weakness in child() combined with modifiers.
 # Reenable it when this is improved
diff --git a/tests/FindGLEW.cmake b/tests/FindGLEW.cmake
index 1b0cac4..1d94ca2 100644
--- a/tests/FindGLEW.cmake
+++ b/tests/FindGLEW.cmake
@@ -3,55 +3,63 @@
 # Once done this will define
 #
 # GLEW_FOUND
-# GLEW_INCLUDE_PATH
+# GLEW_INCLUDE_DIR
 # GLEW_LIBRARY
 # 
 
 # a few lines of this file are based on the LGPL code found at 
 # http://openlibraries.org/browser/trunk/FindGLEW.cmake?rev=1383 
 
+include(FindPkgConfig)
 
-IF (WIN32 AND MSVC)
-	IF (WIN32_STATIC_BUILD) # passed from caller
-		SET(GLEW_LIB_SEARCH_NAME glew32s.lib) # static, non-debug (Release)
-	ELSE ()
-		SET(GLEW_LIB_SEARCH_NAME glew32.lib) # other. untested with OpenSCAD
-	ENDIF()
-ELSE () # GCC
-	SET(GLEW_LIB_SEARCH_NAME "libglew32s.a")
-ENDIF ()
+if (PKG_CONFIG_FOUND)
+  message("Doing pkg config glew check...")
+  pkg_check_modules(GLEW glew>=1.6)
+endif()
 
-IF (WIN32)
-	FIND_PATH( GLEW_INCLUDE_PATH GL/glew.h
-		$ENV{PROGRAMFILES}/GLEW/include
-		${PROJECT_SOURCE_DIR}/src/nvgl/glew/include
-		DOC "The directory where GL/glew.h resides")
-	FIND_LIBRARY( GLEW_LIBRARY
-		NAMES ${GLEW_LIB_SEARCH_NAME}
-		PATHS
-		$ENV{PROGRAMFILES}/GLEW/lib
-		${PROJECT_SOURCE_DIR}/src/nvgl/glew/bin
-		${PROJECT_SOURCE_DIR}/src/nvgl/glew/lib
-		DOC "The GLEW library")
-ELSE (WIN32)
-        message(STATUS "GLEW_DIR: " ${GLEW_DIR})
-	FIND_PATH( GLEW_INCLUDE_PATH GL/glew.h
-                HINTS ${GLEW_DIR}/include 
-		PATHS /usr/include /usr/local/include /usr/pkg/include
-                NO_DEFAULT_PATH
-		DOC "The directory where GL/glew.h resides")
-	FIND_LIBRARY( GLEW_LIBRARY
-		NAMES GLEW glew
-		HINTS ${GLEW_DIR}/lib 
-		PATHS /usr/lib /usr/local/lib /usr/pkg/lib
-                NO_DEFAULT_PATH
-		DOC "The GLEW library")
-ENDIF (WIN32)
+if (GLEW_LIBRARIES)
+  set(GLEW_INCLUDE_DIR "${GLEW_INCLUDE_DIRS}")
+  set(GLEW_LIBRARY ${GLEW_LDFLAGS})
+else()
+  if (WIN32 AND MSVC)
+    if (WIN32_STATIC_BUILD) # passed from caller
+      set(GLEW_LIB_SEARCH_NAME glew32s.lib) # static, non-debug (Release)
+    else ()
+      set(GLEW_LIB_SEARCH_NAME glew32.lib) # other. untested with OpenSCAD
+    endif()
+  else () # GCC
+    set(GLEW_LIB_SEARCH_NAME "libglew32s.a")
+  endif ()
 
-IF (GLEW_INCLUDE_PATH)
-	SET( GLEW_FOUND 1 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
-        MESSAGE(STATUS "GLEW include found in " ${GLEW_INCLUDE_PATH} )
-        MESSAGE(STATUS "GLEW library found in " ${GLEW_LIBRARY} )
-ELSE (GLEW_INCLUDE_PATH)
-	SET( GLEW_FOUND 0 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
-ENDIF (GLEW_INCLUDE_PATH)
+  if (WIN32)
+    find_path(GLEW_INCLUDE_DIR GL/glew.h
+      $ENV{PROGRAMFILES}/GLEW/include
+      ${PROJECT_SOURCE_DIR}/src/nvgl/glew/include
+      DOC "The directory where GL/glew.h resides")
+    find_library(GLEW_LIBRARY
+      NAMES ${GLEW_LIB_SEARCH_NAME}
+      PATHS
+      $ENV{PROGRAMFILES}/GLEW/lib
+      ${PROJECT_SOURCE_DIR}/src/nvgl/glew/bin
+      ${PROJECT_SOURCE_DIR}/src/nvgl/glew/lib
+      DOC "The GLEW library")
+  else (WIN32)
+    find_path(GLEW_INCLUDE_DIR GL/glew.h
+      PATHS /usr/include /usr/local/include /usr/pkg/include
+      NO_DEFAULT_PATH
+      DOC "The directory where GL/glew.h resides")
+    find_library(GLEW_LIBRARY
+      NAMES GLEW glew
+      PATHS /usr/lib /usr/local/lib /usr/pkg/lib
+      NO_DEFAULT_PATH
+      DOC "The GLEW library")
+  endif (WIN32)
+
+  if (GLEW_INCLUDE_DIR)
+    set(GLEW_FOUND 1 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
+    message(STATUS "GLEW include found in " ${GLEW_INCLUDE_DIR} )
+    message(STATUS "GLEW library found in " ${GLEW_LIBRARY} )
+  else()
+    set(GLEW_FOUND 0 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
+  endif()
+endif()
diff --git a/tests/cgalcachetest.cc b/tests/cgalcachetest.cc
index 5675ef5..18e9efa 100644
--- a/tests/cgalcachetest.cc
+++ b/tests/cgalcachetest.cc
@@ -152,7 +152,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	AbstractNode *absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/cgalpngtest.cc b/tests/cgalpngtest.cc
index 650c6d7..7c9684a 100644
--- a/tests/cgalpngtest.cc
+++ b/tests/cgalpngtest.cc
@@ -125,7 +125,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	AbstractNode *absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/cgalstlsanitytest.cc b/tests/cgalstlsanitytest.cc
index 0bf7ac2..d0d0077 100644
--- a/tests/cgalstlsanitytest.cc
+++ b/tests/cgalstlsanitytest.cc
@@ -111,7 +111,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	AbstractNode *absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/cgaltest.cc b/tests/cgaltest.cc
index 076983f..98617a3 100644
--- a/tests/cgaltest.cc
+++ b/tests/cgaltest.cc
@@ -104,7 +104,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	AbstractNode *absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/csgtermtest.cc b/tests/csgtermtest.cc
index 89a9bdc..1bd2468 100644
--- a/tests/csgtermtest.cc
+++ b/tests/csgtermtest.cc
@@ -91,7 +91,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/csgtestcore.cc b/tests/csgtestcore.cc
index b9f0d27..cb96940 100644
--- a/tests/csgtestcore.cc
+++ b/tests/csgtestcore.cc
@@ -276,7 +276,9 @@ int csgtestcore(int argc, char *argv[], test_type_e test_type)
 	}
 
 	if (!sysinfo_dump) {
-		fs::current_path(fs::path(filename).parent_path());
+		if (fs::path(filename).has_parent_path()) {
+			fs::current_path(fs::path(filename).parent_path());
+		}
 	}
 
 	AbstractNode::resetIndexCounter();
diff --git a/tests/csgtexttest.cc b/tests/csgtexttest.cc
index 67e3416..6e18f20 100644
--- a/tests/csgtexttest.cc
+++ b/tests/csgtexttest.cc
@@ -95,7 +95,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/dumptest.cc b/tests/dumptest.cc
index dbf74ab..f923a64 100644
--- a/tests/dumptest.cc
+++ b/tests/dumptest.cc
@@ -101,7 +101,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/echotest.cc b/tests/echotest.cc
index b08e81a..d731ee3 100644
--- a/tests/echotest.cc
+++ b/tests/echotest.cc
@@ -103,7 +103,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	fs::current_path(fs::path(filename).parent_path());
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
 
 	AbstractNode::resetIndexCounter();
 	root_node = root_module->evaluate(&root_ctx, &root_inst);
diff --git a/tests/modulecachetest.cc b/tests/modulecachetest.cc
new file mode 100644
index 0000000..2ef7a6c
--- /dev/null
+++ b/tests/modulecachetest.cc
@@ -0,0 +1,123 @@
+/*
+ *  OpenSCAD (www.openscad.org)
+ *  Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
+ *                          Marius Kintel <marius@kintel.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  As a special exception, you have permission to link this program
+ *  with the CGAL library and distribute executables, as long as you
+ *  follow the requirements of the GNU GPL in regard to all of the
+ *  software in the executable aside from CGAL.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "tests-common.h"
+#include "openscad.h"
+#include "parsersettings.h"
+#include "node.h"
+#include "module.h"
+#include "context.h"
+#include "value.h"
+#include "export.h"
+#include "builtin.h"
+#include "Tree.h"
+
+#include <QCoreApplication>
+#ifndef _MSC_VER
+#include <getopt.h>
+#endif
+#include <assert.h>
+#include <iostream>
+#include <sstream>
+#include <fstream>
+
+#include <boost/filesystem.hpp>
+namespace fs = boost::filesystem;
+#include "boosty.h"
+
+std::string commandline_commands;
+std::string currentdir;
+QString examplesdir;
+
+using std::string;
+
+int main(int argc, char **argv)
+{
+#ifdef _MSC_VER
+  _set_output_format(_TWO_DIGIT_EXPONENT);
+#endif
+	if (argc != 3) {
+		fprintf(stderr, "Usage: %s <file.scad> <output.txt>\n", argv[0]);
+		exit(1);
+	}
+
+	const char *filename = argv[1];
+	const char *outfilename = argv[2];
+
+	int rc = 0;
+
+	Builtins::instance()->initialize();
+
+	QCoreApplication app(argc, argv);
+	fs::path original_path = fs::current_path();
+
+	currentdir = boosty::stringy( fs::current_path() );
+
+	parser_init(QCoreApplication::instance()->applicationDirPath().toStdString());
+	set_librarydir(boosty::stringy(fs::path(QCoreApplication::instance()->applicationDirPath().toStdString()) / "../libraries"));
+
+	Context root_ctx;
+	register_builtin(root_ctx);
+
+	AbstractModule *root_module;
+	ModuleInstantiation root_inst;
+	AbstractNode *root_node;
+
+	root_module = parsefile(filename);
+	if (!root_module) {
+		fprintf(stderr, "Error: Unable to parse input file\n");
+		exit(1);
+	}
+
+	if (fs::path(filename).has_parent_path()) {
+		fs::current_path(fs::path(filename).parent_path());
+	}
+
+	AbstractNode::resetIndexCounter();
+	root_node = root_module->evaluate(&root_ctx, &root_inst);
+
+	delete root_node;
+	delete root_module;
+
+	fs::current_path(original_path);
+
+	fprintf(stderr, "Second parse\n");
+	root_module = parsefile(filename);
+	if (!root_module) {
+		fprintf(stderr, "Error: Unable to parse second time\n");
+		exit(1);
+	}
+
+	AbstractNode::resetIndexCounter();
+	root_node = root_module->evaluate(&root_ctx, &root_inst);
+
+	delete root_node;
+	delete root_module;
+
+	Builtins::instance(true);
+
+	return rc;
+}
diff --git a/tests/regression/cgalpngtest/example023-expected.png b/tests/regression/cgalpngtest/example023-expected.png
new file mode 100644
index 0000000..c528b90
--- /dev/null
+++ b/tests/regression/cgalpngtest/example023-expected.png
diff --git a/tests/regression/cgalpngtest/projection-tests-expected.png b/tests/regression/cgalpngtest/projection-tests-expected.png
index 800f7ba..31890b9 100644
--- a/tests/regression/cgalpngtest/projection-tests-expected.png
+++ b/tests/regression/cgalpngtest/projection-tests-expected.png
diff --git a/tests/regression/cgalpngtest/scale2D-tests-expected.png b/tests/regression/cgalpngtest/scale2D-tests-expected.png
new file mode 100644
index 0000000..c23b7a0
--- /dev/null
+++ b/tests/regression/cgalpngtest/scale2D-tests-expected.png
diff --git a/tests/regression/cgalpngtest/scale3D-tests-expected.png b/tests/regression/cgalpngtest/scale3D-tests-expected.png
new file mode 100644
index 0000000..cbd8227
--- /dev/null
+++ b/tests/regression/cgalpngtest/scale3D-tests-expected.png
diff --git a/tests/regression/cgalpngtest/text-search-test-expected.png b/tests/regression/cgalpngtest/text-search-test-expected.png
new file mode 100644
index 0000000..76e7087
--- /dev/null
+++ b/tests/regression/cgalpngtest/text-search-test-expected.png
diff --git a/tests/regression/dumptest/scale2D-tests-expected.txt b/tests/regression/dumptest/scale2D-tests-expected.txt
new file mode 100644
index 0000000..aa1eca2
--- /dev/null
+++ b/tests/regression/dumptest/scale2D-tests-expected.txt
@@ -0,0 +1,34 @@
+	multmatrix([[2, 0, 0, 0], [0, 1.33333, 0, 0], [0, 0, 2, 0], [0, 0, 0, 1]]) {
+		group() {
+			square(size = [2, 3], center = true);
+		}
+	}
+	multmatrix([[1, 0, 0, 5], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+		multmatrix([[2, 0, 0, 0], [0, 1.33333, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				square(size = [2, 3], center = true);
+			}
+		}
+	}
+	multmatrix([[1, 0, 0, 10], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+		multmatrix([[2, 0, 0, 0], [0, 2, 0, 0], [0, 0, 2, 0], [0, 0, 0, 1]]) {
+			group() {
+				square(size = [2, 3], center = true);
+			}
+		}
+	}
+	linear_extrude(height = 100, center = false, convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
+		multmatrix([[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				square(size = [2, 3], center = true);
+			}
+		}
+	}
+	linear_extrude(height = 100, center = false, convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
+		multmatrix([[0, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				square(size = [2, 3], center = true);
+			}
+		}
+	}
+
diff --git a/tests/regression/dumptest/scale3D-tests-expected.txt b/tests/regression/dumptest/scale3D-tests-expected.txt
new file mode 100644
index 0000000..c06b2fe
--- /dev/null
+++ b/tests/regression/dumptest/scale3D-tests-expected.txt
@@ -0,0 +1,43 @@
+	multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+		multmatrix([[1, 0, 0, 0], [0, 2, 0, 0], [0, 0, 3, 0], [0, 0, 0, 1]]) {
+			group() {
+				cylinder($fn = 8, $fa = 12, $fs = 2, h = 1, r1 = 1, r2 = 1, center = true);
+			}
+		}
+	}
+	multmatrix([[1, 0, 0, 5], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+		multmatrix([[2, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				cylinder($fn = 8, $fa = 12, $fs = 2, h = 1, r1 = 1, r2 = 1, center = true);
+			}
+		}
+	}
+	multmatrix([[1, 0, 0, 10], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+		multmatrix([[2, 0, 0, 0], [0, 2, 0, 0], [0, 0, 2, 0], [0, 0, 0, 1]]) {
+			group() {
+				cylinder($fn = 8, $fa = 12, $fs = 2, h = 1, r1 = 1, r2 = 1, center = true);
+			}
+		}
+	}
+	linear_extrude(height = 100, center = false, convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
+		multmatrix([[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 1]]) {
+			group() {
+				cylinder($fn = 8, $fa = 12, $fs = 2, h = 1, r1 = 1, r2 = 1, center = true);
+			}
+		}
+	}
+	linear_extrude(height = 100, center = false, convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
+		multmatrix([[0, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 0], [0, 0, 0, 1]]) {
+			group() {
+				cylinder($fn = 8, $fa = 12, $fs = 2, h = 1, r1 = 1, r2 = 1, center = true);
+			}
+		}
+	}
+	linear_extrude(height = 100, center = false, convexity = 1, $fn = 0, $fa = 12, $fs = 2) {
+		multmatrix([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 0], [0, 0, 0, 1]]) {
+			group() {
+				cylinder($fn = 8, $fa = 12, $fs = 2, h = 1, r1 = 1, r2 = 1, center = true);
+			}
+		}
+	}
+
diff --git a/tests/regression/dumptest/text-search-test-expected.txt b/tests/regression/dumptest/text-search-test-expected.txt
new file mode 100644
index 0000000..f0c8aad
--- /dev/null
+++ b/tests/regression/dumptest/text-search-test-expected.txt
@@ -0,0 +1,848 @@
+	group();
+	group() {
+		multmatrix([[1, 0, 0, -60], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[2, 1], [2, 2], [1, 2], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 2], [6, 2], [6, 1], [3, 2], [3, 6], [5, 6], [5, 2]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], [12, 13, 14, 15]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, -52], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[1, 0], [1, 6], [6, 6], [6, 5], [7, 5], [7, 3], [6, 3], [6, 2], [3, 2], [3, 0], [3, 3], [3, 5], [5, 5], [5, 3]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [10, 11, 12, 13]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, -44], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[2, 1], [2, 2], [1, 2], [1, 5], [2, 5], [2, 6], [6, 6], [6, 5], [7, 5], [7, 3], [3, 3], [3, 2], [6, 2], [6, 1], [3, 4], [3, 5], [5, 5], [5, 4]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13], [14, 15, 16, 17]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, -36], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[1, 1], [1, 6], [6, 6], [6, 5], [7, 5], [7, 1], [5, 1], [5, 5], [3, 5], [3, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, -28], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[2, 1], [2, 2], [5, 2], [5, 4], [2, 4], [2, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [3, 6], [3, 5], [6, 5], [6, 4], [7, 4], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, -20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[2, 1], [2, 2], [1, 2], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [5, 5], [5, 6], [3, 6], [3, 2], [5, 2], [5, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, -12], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[1, 1], [1, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 6], [6, 6], [6, 5], [7, 5], [7, 1], [5, 1], [5, 2], [3, 2], [3, 1], [3, 3], [3, 5], [5, 5], [5, 3]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], [16, 17, 18, 19]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, -4], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[1, 1], [1, 7], [5, 7], [5, 6], [6, 6], [6, 5], [7, 5], [7, 3], [6, 3], [6, 2], [5, 2], [5, 1], [3, 2], [3, 6], [4, 6], [4, 5], [5, 5], [5, 3], [4, 3], [4, 2]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], [12, 13, 14, 15, 16, 17, 18, 19]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, 4], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = undef, paths = undef, convexity = 1);
+		}
+		multmatrix([[1, 0, 0, 12], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[1, 1], [1, 7], [6, 7], [6, 6], [7, 6], [7, 4], [6, 4], [6, 2], [7, 2], [7, 1], [5, 1], [5, 2], [4, 2], [4, 3], [3, 3], [3, 1], [3, 4], [3, 6], [5, 6], [5, 4]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], [16, 17, 18, 19]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, 20], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[2, 1], [2, 2], [1, 2], [1, 5], [2, 5], [2, 6], [6, 6], [6, 5], [7, 5], [7, 2], [6, 2], [6, 1], [3, 2], [3, 5], [5, 5], [5, 2]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11], [12, 13, 14, 15]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, 28], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[2, 1], [2, 2], [1, 2], [1, 5], [2, 5], [2, 6], [6, 6], [6, 5], [3, 5], [3, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, 36], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[1, 1], [1, 7], [3, 7], [3, 4], [4, 4], [4, 5], [6, 5], [6, 4], [5, 4], [5, 3], [6, 3], [6, 2], [7, 2], [7, 1], [5, 1], [5, 2], [4, 2], [4, 3], [3, 3], [3, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, 44], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[1, 1], [1, 2], [5, 2], [5, 3], [2, 3], [2, 4], [1, 4], [1, 5], [2, 5], [2, 6], [7, 6], [7, 5], [3, 5], [3, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]], convexity = 1);
+		}
+		multmatrix([[1, 0, 0, 52], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			polygon(points = [[3, 1], [3, 2], [5, 2], [5, 1], [3, 3], [3, 7], [5, 7], [5, 3]], paths = [[0, 1, 2, 3], [4, 5, 6, 7]], convexity = 1);
+		}
+	}
+	group() {
+		multmatrix([[1, 0, 0, -24], [0, 1, 0, -8], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				group() {
+					group() {
+						union() {
+							group() {
+								hull() {
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+							}
+							hull() {
+								multmatrix([[1, 0, 0, 3], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+								multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+							}
+						}
+						union() {
+							group() {
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+							}
+							hull() {
+								multmatrix([[1, 0, 0, 5], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+								multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		multmatrix([[1, 0, 0, -16], [0, 1, 0, -8], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				group() {
+					group() {
+						union() {
+							group() {
+								hull() {
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+							}
+							hull() {
+								multmatrix([[1, 0, 0, 6], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+								multmatrix([[1, 0, 0, 1], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+							}
+						}
+						union() {
+							group() {
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+							}
+							hull() {
+								multmatrix([[1, 0, 0, 5], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+								multmatrix([[1, 0, 0, 3], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+							}
+						}
+						union() {
+							group() {
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 4], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+							}
+							hull() {
+								multmatrix([[1, 0, 0, 5], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+								multmatrix([[1, 0, 0, 3], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		multmatrix([[1, 0, 0, -8], [0, 1, 0, -8], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				group() {
+					group() {
+						union() {
+							group() {
+								hull() {
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 1], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 2], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 7], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 5], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 6], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 3], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 5], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 3], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 7], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+								hull() {
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 2], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+									multmatrix([[1, 0, 0, 6], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+									}
+								}
+							}
+							hull() {
+								multmatrix([[1, 0, 0, 6], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+								multmatrix([[1, 0, 0, 2], [0, 1, 0, 1], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+									circle($fn = 8, $fa = 12, $fs = 2, r = 0.125);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	group() {
+		multmatrix([[1, 0, 0, 0], [0, 1, 0, -16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				group() {
+					group() {
+						union() {
+							group() {
+								group() {
+									polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+								}
+							}
+							group() {
+								group() {
+									multmatrix([[1, 0, 0, 0.25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 0.176777], [0, 1, 0, 0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 1.53081e-17], [0, 1, 0, 0.25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.176777], [0, 1, 0, 0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.25], [0, 1, 0, 3.06162e-17], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.176777], [0, 1, 0, -0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -4.59243e-17], [0, 1, 0, -0.25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 0.176777], [0, 1, 0, -0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [3, 2], [3, 5], [2, 5], [2, 6], [3, 6], [3, 7], [5, 7], [5, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]], convexity = 1);
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		multmatrix([[1, 0, 0, 8], [0, 1, 0, -16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				group() {
+					group() {
+						union() {
+							group() {
+								group() {
+									polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+								}
+							}
+							group() {
+								group() {
+									multmatrix([[1, 0, 0, 0.25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 0.176777], [0, 1, 0, 0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 1.53081e-17], [0, 1, 0, 0.25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.176777], [0, 1, 0, 0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.25], [0, 1, 0, 3.06162e-17], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.176777], [0, 1, 0, -0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -4.59243e-17], [0, 1, 0, -0.25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 0.176777], [0, 1, 0, -0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[1, 1], [1, 2], [2, 2], [2, 3], [3, 3], [3, 4], [4, 4], [4, 5], [5, 5], [5, 6], [3, 6], [3, 5], [1, 5], [1, 6], [2, 6], [2, 7], [6, 7], [6, 6], [7, 6], [7, 5], [6, 5], [6, 4], [5, 4], [5, 3], [4, 3], [4, 2], [3, 2], [7, 2], [7, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28]], convexity = 1);
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		multmatrix([[1, 0, 0, 16], [0, 1, 0, -16], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+			group() {
+				group() {
+					group() {
+						union() {
+							group() {
+								group() {
+									polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+								}
+							}
+							group() {
+								group() {
+									multmatrix([[1, 0, 0, 0.25], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 0.176777], [0, 1, 0, 0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 1.53081e-17], [0, 1, 0, 0.25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.176777], [0, 1, 0, 0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.25], [0, 1, 0, 3.06162e-17], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -0.176777], [0, 1, 0, -0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, -4.59243e-17], [0, 1, 0, -0.25], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+								group() {
+									multmatrix([[1, 0, 0, 0.176777], [0, 1, 0, -0.176777], [0, 0, 1, 0], [0, 0, 0, 1]]) {
+										group() {
+											group() {
+												polygon(points = [[2, 1], [2, 2], [1, 2], [1, 3], [3, 3], [3, 2], [5, 2], [5, 3], [4, 3], [4, 4], [3, 4], [3, 5], [4, 5], [4, 6], [1, 6], [1, 7], [7, 7], [7, 6], [6, 6], [6, 5], [5, 5], [5, 4], [6, 4], [6, 3], [7, 3], [7, 2], [6, 2], [6, 1]], paths = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27]], convexity = 1);
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
diff --git a/tests/regression/echotest/search-tests-expected.txt b/tests/regression/echotest/search-tests-expected.txt
new file mode 100644
index 0000000..64df0b6
--- /dev/null
+++ b/tests/regression/echotest/search-tests-expected.txt
@@ -0,0 +1,20 @@
+  search term not found: "q"
+  search term not found: 1000
+  search term not found: "zzz"
+  search term not found: "zzz"
+  search term not found: 500
+  search term not found: ""
+ECHO: "Characters in string (\"a\"): [0]"
+ECHO: "Characters in string (\"adeq\"): [[0, 5], [3, 8], [4], []]"
+ECHO: "Default string search (\"abe\"): [0, 1, 8]"
+ECHO: "Return all matches for string search (\"abe\"): [[0, 4, 9, 10], [1, 5], [8]]"
+ECHO: "Return up to 2 matches for string search (\"abe\"): [[0, 4], [1, 5], [8]]"
+ECHO: "Return up to 2 matches for string search; alternate columns (\"aebe\"): [[0, 4], [8], [1, 5], [8]]"
+ECHO: "Default number search (7): [5]"
+ECHO: "Return all matches for number search (1): [0, 4, 10]"
+ECHO: "Return up to 2 matches for number search (1): [0, 4]"
+ECHO: "Default list number search ([1, 3, 1000]): [0, 1, []]"
+ECHO: "Default list string search ([\"b\", \"zzz\", \"a\", \"c\", \"apple\", \"dog\"]): [1, [], 4, 2, 9, 3]"
+ECHO: "Default list mixed search ([\"b\", 4, \"zzz\", \"c\", \"apple\", 500, \"a\", \"\"]): [1, 3, [], 2, 9, [], 4, []]"
+ECHO: "Return all matches for mixed search ([\"b\", 4, \"zzz\", \"c\", \"apple\", 500, \"a\", \"\"]): [[1, 5], [3], [], [2, 6], [9], [], [4, 10], []]"
+ECHO: "Return all matches for mixed search; alternate columns ([1, \"zz\", \"dog\", 500, 11]): [[0], [], [3], [], [10]]"
diff --git a/tests/regression/echotest/vector-values-expected.txt b/tests/regression/echotest/vector-values-expected.txt
new file mode 100644
index 0000000..7654892
--- /dev/null
+++ b/tests/regression/echotest/vector-values-expected.txt
@@ -0,0 +1,10 @@
+ECHO: "Testing vector dot product: 14"
+ECHO: "  Bounds check: undef"
+ECHO: "Testing matrix * vector: [3, 2]"
+ECHO: "  Bounds check: undef"
+ECHO: "Testing vector * matrix: [2, -1, 0]"
+ECHO: "  Bounds check: undef"
+ECHO: "Testing id matrix * id matrix: [[1, 0], [0, 1]]"
+ECHO: "Testing asymmetric matrix * matrix: [[2, 1], [-1, 0]]"
+ECHO: "Testing alternate asymmetric matrix * matrix: [[1, 0, 1], [0, 1, -1], [1, 1, 0]]"
+ECHO: "  Bounds check: undef"
diff --git a/tests/regression/opencsgtest/example023-expected.png b/tests/regression/opencsgtest/example023-expected.png
new file mode 100644
index 0000000..a097d99
--- /dev/null
+++ b/tests/regression/opencsgtest/example023-expected.png
diff --git a/tests/regression/opencsgtest/projection-tests-expected.png b/tests/regression/opencsgtest/projection-tests-expected.png
index 8239d3d..98e12e2 100644
--- a/tests/regression/opencsgtest/projection-tests-expected.png
+++ b/tests/regression/opencsgtest/projection-tests-expected.png
diff --git a/tests/regression/opencsgtest/scale2D-tests-expected.png b/tests/regression/opencsgtest/scale2D-tests-expected.png
new file mode 100644
index 0000000..515265b
--- /dev/null
+++ b/tests/regression/opencsgtest/scale2D-tests-expected.png
diff --git a/tests/regression/opencsgtest/scale3D-tests-expected.png b/tests/regression/opencsgtest/scale3D-tests-expected.png
new file mode 100644
index 0000000..7401b99
--- /dev/null
+++ b/tests/regression/opencsgtest/scale3D-tests-expected.png
diff --git a/tests/regression/opencsgtest/text-search-test-expected.png b/tests/regression/opencsgtest/text-search-test-expected.png
new file mode 100644
index 0000000..eadd61e
--- /dev/null
+++ b/tests/regression/opencsgtest/text-search-test-expected.png
diff --git a/tests/regression/throwntogethertest/example023-expected.png b/tests/regression/throwntogethertest/example023-expected.png
new file mode 100644
index 0000000..a097d99
--- /dev/null
+++ b/tests/regression/throwntogethertest/example023-expected.png
diff --git a/tests/regression/throwntogethertest/projection-tests-expected.png b/tests/regression/throwntogethertest/projection-tests-expected.png
index 7bcb888..08c2998 100644
--- a/tests/regression/throwntogethertest/projection-tests-expected.png
+++ b/tests/regression/throwntogethertest/projection-tests-expected.png
diff --git a/tests/regression/throwntogethertest/scale2D-tests-expected.png b/tests/regression/throwntogethertest/scale2D-tests-expected.png
new file mode 100644
index 0000000..515265b
--- /dev/null
+++ b/tests/regression/throwntogethertest/scale2D-tests-expected.png
diff --git a/tests/regression/throwntogethertest/scale3D-tests-expected.png b/tests/regression/throwntogethertest/scale3D-tests-expected.png
new file mode 100644
index 0000000..7401b99
--- /dev/null
+++ b/tests/regression/throwntogethertest/scale3D-tests-expected.png
diff --git a/tests/regression/throwntogethertest/text-search-test-expected.png b/tests/regression/throwntogethertest/text-search-test-expected.png
new file mode 100644
index 0000000..eadd61e
--- /dev/null
+++ b/tests/regression/throwntogethertest/text-search-test-expected.png
diff --git a/tests/tests-common.cc b/tests/tests-common.cc
index 1694a74..5b0cc3b 100644
--- a/tests/tests-common.cc
+++ b/tests/tests-common.cc
@@ -7,9 +7,9 @@
 #include <QFileInfo>
 #include <sstream>
 
-AbstractModule *parsefile(const char *filename)
+Module *parsefile(const char *filename)
 {
-	AbstractModule *root_module = NULL;
+	Module *root_module = NULL;
 
 	QFileInfo fileInfo(filename);
 	handle_dep(filename);
@@ -27,6 +27,9 @@ AbstractModule *parsefile(const char *filename)
 		fclose(fp);
 		text << "\n" << commandline_commands;
 		root_module = parse(text.str().c_str(), fileInfo.absolutePath().toLocal8Bit(), false);
+		if (root_module) {
+			root_module->handleDependencies();
+		}
 	}
 	return root_module;
 }
diff --git a/tests/tests-common.h b/tests/tests-common.h
index 92ebc78..0047562 100644
--- a/tests/tests-common.h
+++ b/tests/tests-common.h
@@ -1,6 +1,6 @@
 #ifndef TESTS_COMMON_H_
 #define TESTS_COMMON_H_
 
-class AbstractModule *parsefile(const char *filename);
+class Module *parsefile(const char *filename);
 
 #endif