Homebrew Cray-1A (2010)
chrisfenton.com
chrisfenton.com
https://news.ycombinator.com/item?id=8447518
https://news.ycombinator.com/item?id=6291515
https://news.ycombinator.com/item?id=4561787
Due to the hole in middle it is difficult to fit a rectangle without result being quite large. Even with a mini-ITX board (17x17cm) the diameter needs to be at least 2-3 times bigger that's half a meter.
Would be really cool, though!
http://www.modularcircuits.com/blog/articles/the-cray-files/...
They’re just solid black cubes, when powered on they burn hundreds of ominous red dots across their surface, pulsing to show you the status of your program as it runs in real time.
It’s like something Apple would make if they became a very evil cyberpunk company.