Tantillus carriage - 8/12mm bushings

Overview:
Tantillus carriage designed in OpenSCAD for 8/12mm bronze bushings.

Datils:

• two versions:
• • universal hoted mount - 4 x M4 bolts
• • j-head hoted mount 3 x M4 bolts
• low profile
• distance between rods - 17mm like default Tantillus
• Magneti Marelli bushing 140653

Notes:
In case of j-head hotend take the correct version left or right and print jhead adapter.

To be done:

• dual head version
• bowden mount

Derived from:
http://www.thingiverse.com/thing:38226