Bear Spool Holder & Reverse Bowden

V-slot simple side mount spool holder with modified Bear Upgrade optional reverse bowden to fit the original M5 fitting (PC4-M5) used by Prusa for the MMU2 cover.

Print: 

• 1x Base.stl
• 1x Roller.stl
• 2x Cap.stl
• 1x Reverse Bowden.stl

Hardware:

• 3x M5x10 Button Head Screws
• 3x M5 V-slot Nuts
• 2x Standard 608 Bearings
• 2x M3x8 Cap Head Screws
• 1x M5 Female Fitting (http://lecktor.com/en/nuts/159-tappex-microbarb-m5-pack-of-10.html)

Spool Holder Instructions:

1. Attach the base to the side of the v-slot frame using the two M5 screws and nuts (see img 3)
2. Assemble spool roller using a M3 screw to attach each cap to an end of the roller (see img 4)
3. Slide the bearings on the ends of the roller
4. Put the assembled roller in the base (see img 2)

Reverse Bowden Instructions:

1. Use soldering iron to carefully heat up and embed M5 female fitting into reverse bowden mount (see img 5)
2. Use the same guide found on https://github.com/gregsaun/bear_extruder_and_x_axis/tree/master/optional_parts/reverse_bowden