long Spool Holder Stand with PVC pipe Ø20 (support bobine)

I wanted to have a long spool holder for my protective box^of my printer (discoeasy200).
I used a pvc pive of 20mm.
I redesigned the STL on solidworks (just few changes).

I also designed some caps and spacers lockable by plastic collar !
https://www.thingiverse.com/thing:2759292