OpenSCAD is a solid 3D modeling program that generates 3D shapes from a simple scene description language and can directly output
STL files for 3D printing. It is extraordinarily precise, quite flexible and free, but has a somewhat frustrating learning curve.
|Books||2021||Mastering OpenSCAD||a comprehensive online tutorial|
|Tools||2020||hob3l||a tool that takes OpenSCAD files and performs faster slicing|