prusa i3 extruder base on dremel tool :)

##update 2014-0419
Add wade for mk7 and big gear for it. For motor pinion gear I use http://www.helipal.com/h50060-motor-pinion-gear-13t.html :)

##update 2014-02-27
new gear set :)

##update 2013-12-14
main gear upgrade :)
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Super accurate hotbolt :)
Easy access for cleaning.

1x nut M8
1x screw M8x30
1x screw M5X~50
2x screw M3x~30
1x nut M5
1x tool from dremel tool kit :) (for wood or something)
1x bearing 608
2x bearing 16x8x5
some