Small-medium dog Gopro Harness-mount. First print a little rough but works. Printed in PLA. http://youtu.be/2NF2mt5l4rg Nut insert to accommodate the original GoPro screw. Set to work with 1 inch elastic band or similar. Fits nice on our Jack Russell. As you can see in the video strong enough to withstand small bump against a car but it leans a little to the right, but that can be fixed. The platform was printed on its side (camera mount close to bed) with support. This made the edge facing down a little rough once support was removed. Buckle is remix of "Zortrax Buckle" (http://www.thingiverse.com/thing:348729). I, 1) changed the end of the female buckle, replacing it with the same end of male buckle so that belt/strap is held by friction; and 2) eliminated the interior guides, easier to insert. Made for 1 inch elastic or similar.