Merge branch 'clothbot-search_function'

6 files changed, 870 insertions, 1 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 7019a17..9803704 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -616,7 +616,8 @@ list(APPEND ECHO_FILES ${FUNCTION_FILES}
             ${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/vector-values.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
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/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/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/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