Cr-10 Spool Adapter and Spacer

I didn't like the way the spools rode on the shaft for the Cr-10, so I designed up this spool adapter. If you print one for each side of the spool, they fit over the shaft and inside the spool ID for a much better fit. This also ensures the nut holds the material on, without over tightening. Designed for the Inland 1.75mm 1Kg spools, but works for others as well.

I also recently picked up smaller test spools for glow in the dark and color changing material, and found they were thinner causing