About this 3D model
I decided to design a new direct drive mount for Ultimaker which requires no drilling and provides a secure, sturdy mount for the x and y stepper motors. It has been designed modularly to save plastic and for a better finish. I used 2 pieces of 6mm ply I cut on a CNC machine to bring the bearings out, allowing the rod to protrude 12mm from the outer wall of the case; there are plenty of 'things' for this. Note: a new firmware will be required which inverts the Y motor (http://marlinbuilder.robotfuzz.com/)