I made a spool holder to hold the original PVC tube supplied with the printed to hold 2/3-ish spools on top of my printer.
It goes really well with my Filament Guide, they fit snugly together on the top part between the LCD and the Z Top mount;
http://www.thingiverse.com/thing:1541411
Don't have a printer yourself? Contact me on my Etsy store and I'll be happy to print it for you:
https://www.etsy.com/shop/XDr4g0nX3DPrinting
i3_Acrylic_Frame_Spool_Holder.stl | 89.6KB |