Parametric

VariCAD is 3D / 2D CAD software primarily intended for mechanical engineering design. The comprehensive CAD software enables designers to

SOLVESPACE is a parametric 3d CAD program. Applications include: modeling 3d parts — draw with extrudes, revolves, and Boolean (union

OpenSCAD is a software for creating solid 3D CAD models. It is free software and available for Linux/UNIX, Windows and