Creating 3D Models for 3D Printing Using OpenSCAD

OpenSCAD is a totally free program that takes a different approach than most 3D design programs. Instead of drawing the object by hand, it lets you describe it by telling it to create a shape like a sphere, cylinder, box, etc. and position it at a certain location. You can then add objects, alter them by doing things like stretching them, cutting away portions, and other operations that give you considerable control of the final product, all by simply writing what you want to do with the ob...