Flex3Drive to Ultimaker Original motor mount slots adapter (inofficial)

Disclaimer: I am in no way affiliated with Flex3Drive Ltd. or Mutely3D
(just a random customer)
This is a free public domain model.
No warranties, no guarantees, the usual stuff.

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The Flex3Drive for Ultimaker Oringinal
https://flex3drive.com/flex3drive/f3d-umo/
comes with a motor mount that requires one to drill four holes at some unspecified place.

I wanted to continue using the old motor-mount-slots on the upper left of the back of the Ultimaker. So I made this adapter piece.

Assembly instructions:

• First screw the two hook parts onto the back of the Flex3Drive motor mount in such a way that the concave parts of the hooks face each other (point inwards not outwards).
  Note that the hook parts are asymmetric (to evade the axle cap) so make sure the longer sides point to the center of the printer backwall.
• With the Flex3Drive motor mount push the four prongs of the two firmly screwed on mounted hooks through the four motor mount slots on the Ultimakers backwall.
• On the other side: Push in the wedge from right to left (looking from the front of the printer). The locking pin slot should face away from you facing the Ultimakers backwall.
• Optionally (if friction is insufficient or not trusted) bend a piece of 3mm filament (or something else 90° into the shape of an allen key and use this as a locking pin.

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If you're courious about print quality of the Flex3Drive:
Here are two of the earliest things things I've printed with it:
https://www.thingiverse.com/thing:2946210
https://www.thingiverse.com/thing:2949748

I'll eventually will upload a video about how to set this up (HW & SW wise) and link it here.
So If you're interested check back in a few weeks from now (2018-06-12).