Spool holder and bowden extruder mount for prusa i3

## Requirement
This thing is designed to match my stabilizer for i3:
http://www.thingiverse.com/thing:624383

As bowden extuder I use mine, so the clamp is a basic one specifically designed for it:
http://www.thingiverse.com/thing:582520

## Description
A classic spool holder mount for i3, able to hold spools up to 25 cm diameter.
It is based on M10 (10mm diameter) rods to guarantee rigidity.

See *Instructions* for list of needed materials