Neato Botvac 85D wheel drive gear

This is a replacement part for the wheels of Neato Botvac 85D series.
As mine worn down my Neato wasn't working anymore.

First, I used this [part](https://www.thingiverse.com/thing:2130729) but the bigger cog was not exactly the same as mine (too small).

So I designed one using the remaining working one of my Neato.

I had it printed using 3DHubs so I can't provide any information regarding the printing settings except the material used being nylon.