Repair OSF upper screen pillar

[rolesyboy]

I have a horrible hole in the upper part of my windscreen pillar as it has had some factory foam behind there collecting water for me. will I be able to chop this section out of a late 90's Mini and let it in? I think they will be the same and it seems the easiest route in terms of shape but having never given it much thought I am not sure. Cheers.Mark

[mk1]

I would be interested to know this to, as my "professionally restored" (at great expense) Speedwell car has a similar hole that is currently filled with gob!