Spool mount for Flexible filaments

Trying to print with very flexible TPU like 85A for example can be a bit of a struggle 

The filament is so stretchy and rubbery it has too much drag or friction on the PTFE tube causing it to fail extruding whilst trying to pull the filament from an external roller 

This spool holder allows the spool to be mounted securely above the extruder with only a short distance to the extruder from the spool

You simply replace the regular PTFE tube with a short 50mm length and add the feeder funnel to the tube to allow smooth feeding of the filament into the extruder head 

The 2 risers have space on the bottom to mount 3 (10x5mm) neodymium magnets on each side, these fit on top of the printer while the glass top is removed and the roller fits between the 2 parts for a secure fitment.

(the pictures will explain it better)