Customizable Belt Tensioner for 3D printer, Delta printer.

Customizable Belt Tensioner for 3D printer, Delta printer.
Belt tension is easily regulated by a cogwheel.
You simply insert belt into a gash and turn cogwheel for counted number of clicks.

http://youtu.be/ummLqU55W2E

Delta printer and Sitall glass by
http://www.unique-3d.com/