Anet A8 2017 E3d custom X-Carriage (OCD Edition)

A continuation of Anet A8 2017 E3d custom X-Carriage by DrMaeLinh, to make it a direct-drive carriage, similar to the Prusa i3 MK, but using 2 40mm fans.

Optional sensor mount variant for the stock Anet bed level sensor.

V2:
Adjusted the Cold-end to be at least 1 mm lower
(V3 Idler and 1st Pieces are compatible with V2)

V3:
Rebuilt most of the assembly
"First Pieces" have updated holes for M3 nuts to fit better
Changes include:
Much Smaller overall
Realighed Extruder Motor to be