Neato Botvac side brush cover

This is a replacement part for my Neato Botvac. Over the years, hair got between the Left (looked at when the vacuum is upside down and brush facing forward) brush bearing and the brush which forced it to rub against the casing and brush cover, bending and melting those parts off.

After filing back the bent bits of plastic, I've decided to create a flange, bolted onto the left of the brush guard with 3mm x 6mm long machine screws - originally I placed the holes too close to the centre (35mm