![]() ![]() I might have been better off designing in 2D with Inkscape, and then using SketchUp to make a 3D model to check component spacing, etc? I tried using Simon Beard’s SVG plugin for SketchUp, but my SketchUp file had all sorts of rubbish in it which caused problems, and the resulting SVG files had to be laboriously cleaned-up by hand in Inkscape. ![]() However this proved very messy exporting to a 2D design in SVG/DXF format, ready for the laser cutting. Originally I made my design in 3D using the free version of SketchUp and built rough templates of the Pi’s, network switch, USB hub, sockets, etc. it becomes a rather expensive £488.30 here in the UK… 3D design in SketchUp Once you add on international shipping, import tax, VAT, etc. ![]() My design is fairly similar to that of the commercial Pico Cluster (USA) who sell a fully-finished 5 node cluster of Raspberry Pi 2s for US$499. The completed cluster measures 141 (w) x 150 (h) x 210mm (d) and weighs 1.4kg. 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: The launch of the Raspberry Pi 3 in March 2016 got me enthusiastic about building my very own cluster of Pi’s (a “bramble” ). Inspired by all the great Raspberry Pi projects out there, I thought I’d try designing & building something simple myself. Building a Raspberry Pi 3 cluster for under £100 (£250 including five RPi3s) ![]()
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