The basic construction is complete. This is before the nuts have been Dremmel'd down and before the felt trimming.
Countersunk and ready for felt (I'd previously over cut the plastic for another job so had to be joined) :
The side that I'll be attacking with the Dremmel later. The lower nuts are squashed into the foam so will be flush :
Top view :
Measurements, note the new one has an angled top :
The foam and plastic joined with measurements :
..... and I did have some help :
Once it's trimmed and felt applied the mount will be attached and cable hidden from view :
More later when fitted .....