Anet A8 Trolley for the X axis

Trolley for the X axis with a tensioner, without the belt tensioner.
Hole spacing 46mm. Used on Anet A8. Is perfect. See photo.
Cut threads directly into plastic. M3, M4, M6. (cool with water !!!)
The screws are made of plastic, without threaded metal inserts.
Precise holes ream with 8H7 reamer (cool with water !!!)
The support in the right carriage is in the model.
Elements used:
M3x 12 = 8 pcs - Trapezoidal nuts
M3x 18 = 1 piece - tensioner
M4x 4 = 4pcs -
M6x 38 = 1 piece - tensioner