3mm and 1.75 mm Direct Drive Extruder

Another Direct drive extruder,
Fit The Prusa i3 Aluminum X carriage and the Full metal hot end.
Parts Needed
1 x 608Z roller bearing
4 x M4x45mm bolts
4 M4 nuts
4 spring
1 drive wheel max diameter 10mm
I have uploaded also the stl for the 1.75mm filament.