a small holder for key cam from ebay ( http://www.ebay.com/itm/Mini-DVR-808-16-V2-Lens-D-Car-Key-Chain-Micro-Camera-HD-720P-Pocket-Camcorder-/180937263580 ) to be glued with silicone sealant on the snowboard helmetcheaper than go pro and can be use for a lot of thing print it, add the 5 mm screw ine the smaller support hole by heating it on gas (make a perfect fit for the screw) let it cool unscrew, fit the cam support add the nut to tighten the positionthere is hole for the usb cable to get the movies and to power the thing in the winter (the small battery doesn't like sub zero temperature)to fix the cam in place use a bit of 3mm filament you can melt at the end to avoid loosing it and the cam !the STL and sketchup file are the latest version with rounded box and small correction