Filament Spool Insert

Half spool insert for MIKA3D brand 500g spools. May work for other brands as well.

Outer diameter is 65mm, inner diameter is 21.9mm and is designed for a 608ZZ bearing.

This is V_2 with a straight cut for removal purposes. V1 are nearly impossible to remove at times. If there is any interest in V1 let me know.