Known as “The Programmers Solid 3D CAD Modeller”, OpenSCAD is used by many people for whom writing code comes more naturally than learning a fiddly user interface. It’s a very capable piece ...

Some CAD tools let you do both, but many 3D printer users wind up using OpenSCAD which is fully parametric. If you’ve used OpenSCAD you know that it is like a simple programming language ...