Pressure gauge and dimmer circuit cover

UPDATE // 31/07/24 **Extend dimension / added bottom cover (snap fit)

Cover for pressure gauge / dimmer knob / for espresso machine 
OD=42mm for the pressure gauge body. 
With screw slot of M4 size for non-metal body machine.

*Dimmer AC Model used for illustration purposes by Daniel Soussi (Grabcad)