1 files changed, 9 insertions, 0 deletions
diff --git a/testdata/scad/bugs/gridbug.scad b/testdata/scad/bugs/gridbug.scad
new file mode 100644
index 0000000..678a22a
--- /dev/null
+++ b/testdata/scad/bugs/gridbug.scad
@@ -0,0 +1,9 @@
+// This crashes OpenSCAD including 2011.06 in PolyReducer due to two vertices of 
+// a triangle evaluating to the same index
+linear_extrude(height=2) 
+  polygon(points=[[0, 0],
+		  [1, 0],
+		  [1.0014, 1],
+		  [1, 1],
+		  [0, 1]], 
+           paths=[[0,1,2,3,4]]);