120mm Buildplate 3D Solutech Master Spool

CHANGE NOTE 02/04/19 - Added slots in the spool for zip-tie clearance. Shrank OD for fit.

CHANGE NOTE 01/31/19 - Added loose filament end retaining feature to the "Sector" models.

A tool-free, hardware-free, 120mm buildplate compatible completely printed master spool. "Core" part has an OD of 3 inches to match the cardboard tube that 3d solutech "Master Spool" filament is shipped on.

CAD files in STEP format are provided if you would like to change the OD of the "Core" to suit the dimen