Camera Mount for large skateboard

This is something I made for my skateboard so I can place an old mobile phone to record my ride. The top piece is meant to be printed separately so the thread can be printed vertically without support and then slide tightly into place and glued if you want but may not need it.
The recording quality may shake as this is not on the board itself, I wanted to keep the camera flat but show the board bend on turns.
The axel diameter was around 24mm with an angle edge to strengthen so I have that bui