Bosch HT6ET60 junction box cover

Replacement electrical cover for the BOSCH Cooktop HT6ET60 (PKN675DB1A).

I printed this with PETG and so far it seems fine. The junction box does not appear to get hot when the cook-top is operation. If anyone can suggest a better filament. 

This was created in onshape, the source is here.

https://cad.onshape.com/documents/0b1d05201316354f1e3947d9/w/454beba07e0c5815739d0304/e/e48b9ff80579f8d2130db252

Justification: 

The cover over our Cook-top junction box had been broken and was mostly missing leaving the live wires exposed. I tried to source a replacement but was unsuccessful. We have kids so didn't want to leave it uncovered (even though its in the back of the cupboard). I also didn't want to throw out a working cook-top, as it's a $1200 cook-top that is otherwise fully functional. 

Perhaps a self extinguishing filament would be better? The Cooktop is sitting in a timber cabinet, so I'm not sure if it matters.