One hand easy change Paper Towel roll holder / Porte essuie-tout

This is a paper towel roll holder! I designed this because I wanted a better one, easier and quicker to change so here it is!
It has a pivot on one axis so you can change your roll in 5 seconds using nearly one hand. I know designing this sounds really Geek but now I love it, so I decided to share it!

Remark: It is used with a metal bar of diameter 6mm (that goes through the cylinder + on the pivot side) because I had one available, but it can be remixed to use plastic all along!
The two fi