30 amp power supply case/cover

After looking for a 30amp covers all I could find were case covers for lower current supplies so I designed my own. Initial design was off my 1mm so after printing I adjusted the screw mount holes for the switch.
Printed at 0.3mm for speed it came our really well, wall thickness is 2mm. the small plugs to be printed if you do not use all 3 cable holes. Extrusion mount was designed with a bit of slop for the mounting holes and the center hole is 2.8mm so the 3mm screw bites in. This has been pri