Free, open source things I designed, with the parts lists, CAD files, and instructions to build your own.

The open, accessible game board: a hex island of LEDs with six seats, playable with one switch or any mix of controllers. First game: Island Rush.

An electric spinning wheel with a brushless motor, a 3D-printed frame, and an optional foot pedal. About $98 a wheel in parts.

An electric spinning wheel with a 12 V gearmotor, a $5 speed controller, and a 3D-printed frame. About $60 a wheel in parts.

A yarn butler with a 3D-printed barrel on an 8 mm rod, and a set of numbered bushings to tune how freely it spins.

An NFC-triggered media player built from an ESP32 and a Raspberry Pi Zero 2 W, with swappable audio outputs. Not done yet.