E3D-Online 3D Printing Parts for 3D Printers. HotEnds, Extruders, Nozzles and more. E3D V6, Volcano, Titan, Hemera. Parts for Prusa and Lulzbot 3D Printers.

The mount body with direct e3D Titan Extruder support.
All parts of original Heavy Duty and modules are compatible with this mount body.
Supports up to Nema 17 34mm stepper motors without problems (Tested on  Ender 3)

In this video I show how I add a direct drive system with a flexible shaft from Flex3drive. Because this is an open source system it's possible to make modif...

This is a remix of Gushie's http://www.thingiverse.com/thing:447213, which is a remix of 1986breeze's http://www.thingiverse.com/thing:234669, which is a remix of martinhering's http://www.thingiverse.com/thing:177814  
I reinforced the front lip, and adjusted the design to increase stability when stacking.  The result should be a drastic improvement to stackability and no significant increase in material usage or print time.  The design is fully backwards compatible with both Gushie and 1986breeze's versions (in that they'll stack).  
I also added a version with a central partition.  And removable trays for smaller items, and driver bits.