Prusa i3 Spool Holder (Top_Screwed)

This is a my Spool-holder for Prusa i3 reworks.
In the instruction you can see needet Parts.

The printed parts are designed with and without integrated support.

For better performance you can put M8-Nut on the position, what marked with red arrow.

Update: 20.12.2014 new model "arm" and "arm_support" for easier print.