I got a cheapy set of gopro accessories and after a while, the handlebar mount broke. I made this one to be more beefy. Print on its side and print solid. requires supports. There are others here, but I like the satisfaction of fully making something from scratch. You'll have to get your own screws and nuts, but if you have a broken one, you can probably just reuse the screws and nuts from it. (that's what I did)