Appendix C. OpenSCAD
OpenSCAD is free and open source solid modeling software and is available for all major operating systems. OpenSCAD is excellent for creating configurable parts and parametric models, giving you complete control over the modeling process.
Unlike the other 3D drawing programs we have discussed, OpenSCAD doesn’t have a way to directly manipulate objects with the mouse. Instead you use the OpenSCAD language to describe an objects and then you render a 3D model from the description.
OpenSCAD is also very popular on Thingiverse, so it is likely that at some point you will want to modify an OpenSCAD file directly. Don’t worry if you’re not a programmer—you’ll be able to pick this stuff up in no time!
Go to http://www.openscad.org
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