Prusa i3 Rework 1.5 (Emotion-Tech / reprap france) - Y belt tensioner system (complete)

Just reworked a bit the original part. Now the belt of the Y axis may not slip away of the bearing's outer surface.

Mounting procedure is a bit less simple though, requires to get all parts approximately put in their final location for them to be mounted properly.

This set of parts provides:
- The pulley (mounted on the outer part of the bearing - 13 x 4 x 5 mm [outer diameter x inner diameter x thickness])
Note that this pulley should be printed in two halves and then glued together wit