Flying extruder mod for Geeetech G2S Pro

This flying extruder mount is a combination of two other mounts:

https://www.thingiverse.com/thing:991638

http://www.thingiverse.com/thing:1259941

I have a G2S, which is a dual extruder system, but I'm only using one of my extruders for simplicity. I thought it would be nice to unbolt the second extruder and use it in a "flying" configuration to allow me to print flexible materials such as TPU.
I liked the surgical elastic used in the Sextruder, but wanted to use my spare motor and ext