Spool holder for Prusa i3 with 6mm frame

Note: See the new remixed version: http://www.thingiverse.com/thing:197427

Based on good design: http://www.thingiverse.com/thing:68329

With some personal improvements (stronger, more gaps, aspect ...)

The frame supports are designed to be secured with 3 screws M3x16 each, but you can also use zip ties or even leaving free.

Print:
- 2 x Bearing_Support
- 2 x Frame_Support

Use for mount:
- 6 x M3x16(or larger) screws with nuts (optional use zip ties instead or nothing)
- 8