The useful spool holder.
External diameter of the spool up to 210mm.
A 110 mm long axis fixed by screws of 5 mm.
Reduced to the maximum for the minimum of matter.
with upright of 0,4 mm thickness.
printing time : 1 hour and 40 minutes with prusa i3.
PLA 0,4mm, nozzle 200 ° C