I discovered that a small fan does indeed knock ~20°C (or even ~30°C) off the processor temperature, with or without a heatsink – while a heatsink on its own does little inside a case – although I ...

If you are a process junkie and love seeing the end-to-end of how a thing is made and with what tools, then watch [Michael Klements] show off his Raspberry Pi case design. His case has quite a few ...