Black Widow X-axis tensioner

30/07/2017 4th revision and a change of vision behind the concept.
Triple pins are completely removed, replaced by 2 side arms.
To prevent lifting/raising of the ram while the tension is being applied I've added a 'hood' holding it down, with 2 additional guides.

Sizes of slots vs arms are adjusted by 0.2mm, should work right after printing without a need for filing to fine tune it.

Overall model got simplified for ease of printing, same hardware required.


10/05/2017 After some fe