I was worried the lower tab would snap off with a heavy server, so I remade the bracket with a thicker bottom end. Four copies of this bracket bolted under a countertop are able to support full-size 1u HP server without issue.
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
Yes
Resolution:
200
Infill:
40
Filament:
Sunlu PETG
Notes:
Print laying flat for best strength
The author marked this model as their own original creation. Imported from Thingiverse.