"rp3d Pangu" Prusa i3 Wooden X Belt Tensioner

Bought this i3 for crazy cheap from Aliexpress, it works well, but classic design flaw is no X belt tensioning ability.

This tensioner simply fits into the existing idler end, just take out the 5mm ID bearings, put them into the new tensioner with a slightly longer M5 bolt and nut.

Insert the tensioner into the idler assembly, the end cap takes two M4 bolts which will cut their own threads into the undersized holes in the back of the tensioner arm, my M4 bolts were a bit long so I used a