A very simple spool holder. Prints in about two hours, uses the original reel from the spool.

I have added various different sizes of crossbars that will fit different spools. Feel free to edit. I've uploaded the crossbar in AutoCAD compatible format.

This item has been updated. Come here to check it out!
http://www.thingiverse.com/thing:257068

Just print out the parts as needed, and snap them together.