Filament Spool Holder / Arm for P3Steel

This is a filament spool holder for the P3Steel / i3 Steel with notches so you can adjust the position of the spool depending on its size. It works with 8mm diameter and smaller rods. A printable rod is also included that has cutouts to fit perfectly with the arms.

For the spool hub that is pictured, see http://www.thingiverse.com/thing:1405931

Please share your makes :-)