I bought these cute little 5v power supplies and wanted a cover for them. I design it in OpenSCAD.
I used Prusa PLA, print settings .20 mm SPEED MK3, no supports, fill density 20%.
https://www.ebay.com/itm/AC-110V-220V-TO-DC-5V-12V-24V-Switch-Power-Supply-Driver-Adapter-LED-Strip-Light/152134115704?ssPageName=STRK%3AMEBIDX%3AIT&var=451331021386&_trksid=p2057872.m2749.l2649
The author hasn't provided the model origin yet.