Raspberry Pi case with fan

Modified case top with a recess to accept a 40mm cooling fan. Should be a push-fit (mine is) but otherwise use a couple of screws or glue. Even this small fan makes a big difference to the running temperatures under load (with one of those small sticky-backed heatsinks fitted it drops 20degC running Prime).

Needs support to print, I printed with the top face-down onto the bed. I used white PETG, but only because it happened to be loaded at the time :)

Edit: I'm going to try printing the o