if you define static variables at the outer scope of the main file, you can use them within modules defined in the main file without passing them as arguments. This is also true for modules defined within included files. It is not true for modules defined within run files. ----- Larry -- View this message in context: http://forum.openscad.org/Global-Variables-tp17333p17339.html Sent from the OpenSCAD mailing list archive at Nabble.com.