Usually, CAD software products are very ... This allows you to design simple to complex PCBs. KiCAD permits color coding, 3D viewing, schematic capture, etc. This software is simply.perfect ...
[Landon Cox] recently finished up a 3-part tutorial on designing project enclosures for 3D printing. The series is great if you have not yet tried your hand at this realm of the 3D printing ...
So he built a low cost, simple adapter to use his RS-232 ... If you’d rather build your own, modern 3D mouse, check out the DIY Cad Mouse You Can Actually Build.