Prusa 3i Mk7 Direct Extruder

Ingredients for a succesfull living:
1-nema 17
1-mk7 pulley with screw
1-Stepstick DRV8825 Driver
1-complete jhead whit thermistore and ceramic heater
2-Screw 4x60mm and relatives bolt
2-Screw 4x20mm
1-Bearing 608Z
4-Screw 3x30
1-8x30 mm axe (or 8x30 screw)
2-1,5x30mm nails to lock the jhead
2-3x40mm screw and bolts
The extruder is born specifically for flexible filament.



The fan support "suppventola" is a bit light and require a bit of attention.. but it works