Best known for its smart-looking mechanical keyboards, the brand's in-depth GitHub repo includes all the CAD for some 80+ products, giving you access to reference files to adapt, remix, and design around. The kicker? Personal use only – this is source available, not open source. It gives a fascinating look behind the curtain at a series of minimal looking peripherals, and for owners, an easier starting point to design your own 3D printable accessories.