This spool holder is designed for a C/D-bot (http://www.thingiverse.com/thing:500041, http://www.thingiverse.com/thing:1001065) to mount the spool at the top rear of the printer for direct drive extruders. Can be configured for single or multiple spools.
1x Left Frame
1x Right Frame
2 x Bearing spacers (per spool)
2 x Holder retainers (per spool, 2 sizes 26-38mm and 50-64mm)
Extra parts required:
4x M8 Nuts (+2 extra per extra spool)
130mm M8 threaded rod (320mm for 2 spools etc) - any length will do really.
2 x 608ZZ bearings (per spool)
4x M5 t-nuts (to mount to 2040 T or V rail)
4x M5x10 socket head bolts (to mount to 2040 T or V rail)
Need it printed out? Then try this guy out, he's a great guy ;)
Designed to be printed in ABS (helper disks should snap free). Print frame with high infil (80%+), retainers at low infil (20-30%) with 3 perimeters. Use supports for the M5 holes in the frame parts, no supports needed for the retainers or bearing spacers.