Neutral buancy instrument support similar to the Suex NBS-support. You will need a M6 knurled head screw, a M5 pan head screw, a M5 nut und 4 M4 Screws for assembly.
The compass is only for demonstration. You can find the files fot printing the mount here: https://www.thingiverse.com/thing:2641327
Rafts:
Doesn't Matter
Supports:
No
Resolution:
0.2
Infill:
100%
Filament:
PLA or PETG, TPU for the seals
Notes:
For printing the NBS_Cap you will need support for the hole of the seal. After printing you have to grind out the support with a finger grinder and high grid for a clear surface to avoid any leaks.