Changing filament in the middle of a print is an easy way to get multi-color effects without a multi-extruder 3D printer. Here's a quick tip for cleaner looking color changes.

Who needs to buy new potentiometer knobs when you can make your own?

A quick shell script to work around failed uploads to OctoPrint

Making light pipes to redirect and diffuse LEDs

Inspired by a chord organ I had in high school, my 'chord synth' is a lo-fi analog interpretation with twelve oscillators, sixteen chords, and a wild jungle of routing jumper wires.