Unobtrusive Anet A6 X axis belt tensioner

# Unobtrusive Anet A6 X-axis belt tensioner

This is a parametric design for an x axis belt tensioner for the Anet A6 3d printer.
It has been made with FreeCAD 0.17 daily.

The design goal was to create a tensioner which requires the least changes to the original printer.

You will need:

* this design printed
* an M3 or M4 bolt of about 55mm length with hex head as a tensioning rod
* an M3 screw cut to 16mm length (including head)
* M3 nut
* the two original idler collar beari