Empty Spool Desktop container.

Turn Empty Spools into workbench or desktop container / organizer.
Designed for basic 1Kg Spools such as used by Prima or 3D Jake filaments.
Spool outer dim 195mm, Inner dim 113mm center spool dim 50mm.Distance between the two spool plates 67mm. If you use these spools there is no need for drilling. The container have a hinge pin that fits the two 3mm holes on the spool edge.
The central piece lift and support the bottom spool, Other spools can be stacked. The hinge pin can fit the recess of the container on top