Rotating Nozzle Platform
thingiverse
Allows to have up to 4 hot-ends for multicolor print. Demo video: http://youtu.be/NfR9ofFEKFw The rotation axis is tilted 10° (and hotends -10°) so that only the hotend in use is vertical and touching the bed (all other hotends are then a bit above). I use it with E3Dv6 hotends, but I think it should work with any J-head hotend as long as the cooling part is not too large. Instructions BOM: Thin section bearing: 40mm i.d x 50mm o.d x 6mm wide. Nema 14 stepper motor (35x28mm). GT2 belt/pulley. Micro lever switch for rotation endstop (e.g. 10x20mm). You can use it with my Marlin firmware (forked from jcrocholl/Marlin):https://github.com/Edlep/Marlin/tree/feature/rotating_nozzle_platform
With this file you will be able to print Rotating Nozzle Platform with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Rotating Nozzle Platform.