this project need a lot of screws washers and bolts from M8 to M3 the main guide lines are 2020 aluminum square pipes and 608z bearings, I have done mine in PLA and is working great (only as a plotter so far).
screws:
M8x16
M5x12
M4X12
M3X8
threaded rod M6
M8 for the Z lead screw
the motion system is 6mm belts for x and y with nema 17 motors.
i put the STEP file because the CNC can be improved.
The author marked this model as their own original creation.