Printable Spool with visible Infill

Printable spool, both sides are the same. In the center you can place a 10cm inner cardboard or plastic tube.

Optional 0 (zero) top and bottom, the infill will be visible. In this case the ideal is to use 30% or more of infill, or scale in Z.

Nozzle 0.6mm or bigger for stronger part.

V12 > 2 parts, a longer one of 35 or 60mm and another outside part with a thread to screw into the first longer part.
V11 > Thicker to give more resistance to torsion.
V10 > Initial model published.