This is a open case for the DB Power 4K Action Camera. Designed using openscad and customizable should you want to use for another similar action camera. I copied part of the code from "GOPRO Connector by tonecoder" onThingiverse for the connector module.
This will let you connect to some of the other fittings and accessories that come with camera like the snap in quick connector shown in the photos.
most any good pla brand pla
printed on anycubic i3 mega with flexion extruder.