This is a quick release plate to mount a GoPro on a generic tripod with ¼"-20 threads. Threaded hole is 6.8mm deep and set up for 0.2mm print tolerance.
The plate will accept the official GoPro quick release.
Printer:
Ender 3 Pro w/ direct drive
Rafts: No
Supports: Yes
Resolution: 0.15-0.2mm
Infill: 15% or higher
Shells: 2+
Print with supports, “support everywhere” in Cura.
The author hasn't provided the model origin yet.