Parametric universal spool holder by rowokii - Thingiverse
Parametric Auto-Rewind Spool Holder by VincentGroenhuis - Thingiverse
Spool Winder by les_kaye - Thingiverse
The Institute of 3D Printing on Twitter: "Really great anti-tangle spool holder design from Graham (@The3DPrintSpace) on @thingiverse - let us know if you make one of your own! https://t.co/IcBx1Fpif7" / Twitter
Spool Roller for Ender 3 by Jeepaholic73 - Thingiverse
Universal Ultimaker 2(+) Spool Holder by Undeviljur - Thingiverse