About this 3D model
Neptune 3/4 pro/plus/max ball bearing spool holder, remixed to use 1x M6 bolt and nut instead of 1x M8 bolt Spool Holder for your Elegoo Neptune 3 Pro (Plus, Max, and others) that uses ball bearings for smooth feeding. Also lowers your machine by 2cm, making it fit into most small tents for 3D printers (e.g. Creality-branded ones). You can mount two spool holders on each side. Hardware 2x 608ZZ ball bearing (skateboard bearings) per side 1x M6x20mm (1mm thread pitch) bolt per side 1x M6 nut per side Print Instructions 0.2mm layer height, 2 walls, 15% gyroid infill. Assembly Make a complete cylinder by joining together two half-cylinders with an hexagonal pin Add two 608ZZ ball bearings to each end of the cylinder Drop the cylinder in the main body Use adhesive to mount M6 nuts into hexagonal recesses of the thread adapters Use the M6x20mm bolt to attach the main body to a thread adapter part (after that, you can't take out the cylinder) Attach the completed holder to your printer