Here's the short version of the gopro mount. The dimensions are the same as the original verssion of my gopro 3 + black.Print normally with a layer 0.10. If you print it alone, lower the temerature of the extruder 10 ° C to avoid overheating of the plastic for the small size of the object or use a fan after the First layers. You will need a m5 25mm screws.