This adapter allows you to mount a 58 mm circular filter to the GoPro 4 waterproof housing. The adapter has no secure screw, so do not use it in action that involves a lot of vibrations, as it may fall off the camera.
Circular filter thread pitch is 0.75mm
You may remix the design in any way suitable, as the Fusion 360 archive file is present as well.
A Fuision 360 thread specification file can be downloaded from here: https://github.com/toddmunro/Fusion-360-Lens-Filter-Threads
gopro_3+4_waterproof_to_circular_filter_adapter_58mm_v16.f3d | 117.4KB | |
gopro_3+4_waterproof_to_circular_filter_adapter_58mm_v16.stl | 269.8KB |