These are using in mechanics, manufacturing and car design and more ... If you want to learn CAD on your own for free, there are lots of tutorials online. It will probably be best to start ...

OpenSCAD is a CAD software specifically designed for those who wish to design machine parts. This is something that most other free 3D modeling software products fail at. Other free CAD products ...

Computer-aided design, or CAD, began in the late 1960s and early in the 1970s and was developed internally by big aerospace and car companies ... to as 'history-free' in the sense that changes ...

The free, open-source software ... The software can automatically take any polygonal design drawn in a CAD program and transform it into a mesh that can be printed using synthetic DNA sequences.