OpenSCAD
Open SourceOpenSCAD is a powerful, free software for creating solid 3D CAD objects using a descriptive programming language. It's not an interactive modeller but focuses on constructive solid geometry (CSG) and extrusion of 2D outlines.
Discover Mac OS X Softwares to Render Output.
Export the final 3D model in formats suitable for manufacturing, such as STL for 3D printing.
OpenSCAD is a powerful, free software for creating solid 3D CAD objects using a descriptive programming language. It's not an interactive modeller but focuses on constructive solid geometry (CSG) and extrusion of 2D outlines.