Case for QC USB charger XFW-KC42-4 (remix)

This is bottom part for this construction: https://www.thingiverse.com/thing:6437790

Differences from the original version:

• The diameter of the holes for the screws has been reduced to 2.8 mm. The screws are screwed directly into the body of the part.
• Side ventilation windows have been added.
• Support ribs for the posts for the screws have been added.
• The text of the range of permissible voltages has been added.

Material:

4pcs countersunk head screw M3 length 8-12 mm.