Thingiverse
Enclosure for Arduino Mini and Sparkfun RGB LED node by noahcoleman
by Thingiverse
Last crawled date: 4 years, 2 months ago
Print as oriented for minimal support. The holes in the lid are to put a 1.5-2" piece of filament in as a spring to hold the Arduino in place. The posts that guide the RGB unit into place can be melted with a soldering iron to secure the unit (don't breath it in!).