GoPro session
thingiverse
GoPro Session mount 25 degrees for Camera butter ND filters Armattan Rooster or Chameleon Ti (not sure if marmote would fit) I haven't try yet... I would recomend a 65% - 75% infill for better vibration dampering and cleaner footage.
Download Model from thingiverse
With this file you will be able to print GoPro session with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on GoPro session.