Thread your wire (or whatever) through the hole and just pull it out when you need it. I find this easier to print and use than spool holders with axles.
Included are 2x3 blocks for:
Parametric fusion 360 file Just specify the spool size and slots wide/deep and it will adjust automatically to fit the max number of spools.
Der Autor hat dieses Modell als seine eigene Kreation gekennzeichnet.