Building a Raspberry Pi 3 cluster for under £100 (£250 including five RPi3s)

Inspired by all the great Raspberry Pi projects out there, I thought I’d try designing & building something simple myself. The launch of the Raspberry Pi 3 in March 2016 got me enthusiastic about building my very own cluster of Pi’s (a “bramble” ). Along the way I got to play with a 40W laser cutter, and spent more than a few hours learning basic design with the SketchUp and Inkscape applications:

http://climbers.net/diy-raspberry-pi-3-cluster/