back filament spool guide for CTC Bizer / Flashforge Creator / Replicator Dual

Filament spool guide for CTC Bizer, Flashforge Creator or Replicator Dual.
Uses the same distance of the extruder inputs to ensure parallel filament guiding.

Things you need in addition:
- 2x M3x12mm cylinder head screws
- 2x M3 hexagon nuts
- 2x 0,5m 6x4mm PTFE hose
- 2x 6mmxM6 male stud push-in fittings

You also need a M6 thread cutter for cutting the threads for the push-in fittings.