Rigidbot Extruder Plate Risers for mounting E3D hotends

UPDATE!
I have added GC_e3d_Capture_Side.stl and GC_e3d_Exturder_Side.stl. These mounts can be used on the RB to mount an e3d (single or dual) without the need to modify the aluminum mounting plate. Used with the risers, you have a simple zero z-loss e3d solution.
These risers can be used to raise your extruder plate to allow mounting your E3D-v6 hotend without loosing any Z axis. You will need to slightly modify your mounting plate (if you don't use the GC mounts) as shown in the image to a