About this 3D model

A direct drive extruder housing and tension hinge. Inspiration has come from many direct drive extruders found here, amongst which: * [Byteborg's Direct Drive Extruder](http://www.thingiverse.com/thing:127873) (big big fan of this) * [Compact Bowden Extruder](http://www.thingiverse.com/thing:275593) * [One Piece Simple Direct Drive Extruder](http://www.thingiverse.com/thing:43098) * [mariusmartin's direct drive extruder](http://www.thingiverse.com/thing:379166)