Wanhao Duplicator 6 X and Y belt block and tensioner

Wanhao D6 X and Y belt Block and Tensioner.
All in One solution to block and tension original closed loop belts.
They tension belts as much as you tight screws.
There are 3 versions:
HIGH - the highest tensioner
LOW - the lowest tensioner
MEDIUM - between above

Use original M3 x 8 screw to fix the block in place.
Use 4 M3 x 12 screws and bolts to tension the belts.

Print 4 blocks.