I HAVE MOVED ALL MY DESIGNS TO MY OWN SITE http://www.tmophoto.com/product-category/3d-product-download/ . . . . . . .some protection for your gopro that is lighter and less protecting then the original case. but its lighter.print object remove lens cover and attaching ring from original gopro case or order a new set http://gopro.com/camera-accessories/lens-replacement-kit/ and print the retaining ring insert gopro from the rear put a block of foam back there, and tape or Velcro the whole thing together. i use the 3m nuclear grade duct tape. also print in hi viz orange so you can find it