direXtruder, direct extruder by IMA

Direct Extruder using MK 8 gear (big gear or small gear no problem, adjustable) This design gives convenience for newbies inserting filaments into extruder.

Vitamin needed:
1. NEMA 17 motor stepper
2. MK8 gear
3. 5015 blower fan
4. E3D v5 short distance
5. sorts of M3 bolts and nuts
6. 15mm length springs
7. 1 pcs 625zz bearings
8. 2 pcs 623zz bearings