MakerFarm Prusa I3 Spool Holder

2013-10-05: Added new version with open slot. It makes spool changing a lot easier!

Spool Holder for MakerFarm Prusa I3. Probably it fits the Graber I3 as well.

Derived from 109804, but with clearance for 290mm diameter spool (ok for small ones). For 8mm rods.