Reinforced Idler with lever for Compact Bowden Extruder

With the original idler i got the problem, that after a while (and heat i think) it deforms and couldn't put pressure on the filament anymore.

This is my solution, a simple reinforcement.

I also added a smooth lever.

The main extruder part in the photo is this one: https://www.thingiverse.com/thing:2910497