Dual Spool Holder

These are the same pieces used in the Filament tricopter. Two tail pieces and motor mounts with 1/4" dowls.

This is was made because of carbon fiber eating the aluminum head on printer. In the video you can see spools resting to the rear of the printer. This feed the CF PLA at an angle so, it chewed in to the printer.
Now spools are held securely with a clamping of pieces and a bolt above printer.

Complete build at dragonflyRC.com