Skateboard door mount / hook with parameters

A hook for placing the skateboard on the door so you never fall over them again.
Print in pairs, openscad is provided to change for roll-width and diameter.

Update 20160127: Removed some material in the front, from wheels to board so board is not scratched.

STL is for rolls with 50mm width and 75mm diameter, having a 13.7mm thick door and 12mm hook. 5mm strength.