Old but popular video that I removed from YouTube now made available here., This tuturial explains how to create complex 2D shapes beyond the build-in shapes using functions and polygon in OpenSCAD. more information about this topic can be found here: https://homehack.nl/openscad-polygon-and-polyhedron/, Music: 4 Guitars by Stefan Kartenberg (c) copyright 2016 Licensed under a Creative Commons Attribution Noncommercial (3.0) license. http://dig.ccmixter.org/files/JeffSpeed68/55279 Ft: Aussens@iter (tobias_weber)
