raspberry pi 3 and 4 case for 40mm fan —

Founded raspberry pi 3 and 4 case for 40mm fan models & stl files for printing
Camera Pan and Tilt
UnderseaLaboratory
ABB Fan case
McBig
Skadis Raspberry Pi holder
ari.mandjelikian
Box for Sensors
BlackFury
SKR 14 CASE
NerdActivated
Bolt and Screw gauge
3dprinting4life