Cyborg Geared Extruder for 3030 Extrusion

This is my remix of Silvio73's version of the Cyborg-Extruder.
It's adapted to be mounted on a 3030 aluminium-extrusion.

parts list:

1x 20mm M8 bolt
3x 608ZZ bearing
1x M8 hobbed bolt
2x M8 nut
2x PC4-01 pneumatic connector
2x M3 screw (at least 50mm)
1x M3 screw 25mm
1x M3 screw 10mm (for securing small gear)
2x compressing spring (not too soft)
2x M5 screw and hammer nut (for mounting on extrusion)

some M3 nuts and washers

Only part3 needs to be printed with supports.
Pr