A 120mm fan guard for 3d printing.
I originally created this for my CNC electronics enclosure to cover the nasty hole I'd made in the case. However, its fun and cool so here you go.
Designed in TinkerCad: https://www.tinkercad.com/things/kgx4EFlos0O-hackaday-fan-guard-120mm/
Printed at 20% infill on a Prusa i3 in ABS Black.