Cluster Computer Case Suggestions?

So I’ve recently come across a bunch of free computers and I’ve decided to try to hook them together to form a beowulf style cluster for running some of my simulations on since I think I can modify the code to be parallel. I have tested all of the computers and have them spread across my basement floor however I seem to have a problem. I need a way to enclose them into some sort of case or storage area. I don’t want to use wood and have been exploring some kind of plexiglass or similar material without much luck. So far the best idea I’ve seen has been the “Microwulf“.

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