Roddy 3D Printer

This is a 3D Printer project, made of few 3D printed parts, sliding axles and threaded rods.
It is expandable to the size you prefer, just extend the length of the threaded rods and axles.
Extruder and carriage is Compact Extruder, you can find it in my files, axis interaxis is 75mm.

Structure is made of 10 threaded M8 rods and 9 axles 8mm in diameter, all connected by few printed parts, 9 linear bearings LM8LUU, 6 or 10mm GT2 2mm toothed belts.

For Z axis movement can be used M8 threaded rods or 8mm lead screws.
5 NEMA17 motors, 42mmx42mm length depends on the power you want.
(2 for Z axis, 1 for X, 1 for Y, 1 for extruder)

structure parts:
4pcs part n.1
8pcs part n.2
4 pcs part n.3
8 pcs part n.4
8pcs threaded bar L=400mm
2pcs threaded bar L=350mm
9pcs axle 8mm L=300mm

Y axis carriage parts:
3 pieces : linear bearings LM8LUU
1 piece printed part n.9
1 pc printed parts n.10
6 pcs printed part n.12
1 pc printed parts n.11
1 pc part 15 (can be made of plywoo