[blattimwind]

> All you need is a wireframe made in wood or plastic, a bare board, and a fan.

Yes, but no. Yes, that will work. No, that will very likely not be compliant with your local RFI regulations.

That being said there is little excuse for cases with non-deburred edges when you can get cases that are fully painted (in and out) and have most cut-outs folded over for surprisingly little money (~50 €, which really makes you question how any of the questions make a profit off of it, not to speak of workers involved).