Inland Master Spool

Edited for shorter print time on the female half, more strength on the male half, and fixed the center diameter for use with Inland PLA+ refills.

UPDATE 20190524@1524: Added geometries to allow for label placement

UPDATE 20200921@0007: I have not yet made any changes to the geometry, but I have found that the new style of Inland spooless filament, the kind with the cardboard core, is significantly wider and has a slightly larger diameter. I will be adjusting the design in a few days, I am currently away on military duty. The current design will work, but may not screw down tightly in a satisfying manner.