First of all, congratulations on creating the largest OpenSCAD union so far. Our parser runs out of memory. I'll take a look at it, but if you compile your own OpenSCAD, try adding this to the top of src/parser.y: #define YYMAXDEPTH 20000 -Marius -- View this message in context: http://forum.openscad.org/Parser-error-in-line-13341-memory-exhausted-ERROR-Compilation-failed-tp11938p11940.html Sent from the OpenSCAD mailing list archive at Nabble.com.