Geared Bowden Extruder V2 for flexible

Things that are needed for Assembly
5mm axle ~50mm
MK8 drivegear
3 ballbearings 625ZZ
3 M4 screws 30mm with hexbolt.
4 M3 10mm for the motor mount.
1 16T GT2 Pulley
1 60T GT2 Pulley
1 hard spring ( taken from Velleman Vertex K8400 extruder )
1 79T Belt
50mm teflon tube inside it for guiding the filament.
1 or 2 Teflon fittings.
Nema 17 motor

E-steps with 16T and 60T Pulley: 548.27

This is the second version but first to test and still things to improve on, but worked better tha