After a good start there was a long pause because I was busy with other things.
I picked the project up again on Sunday and made a corner of a US Vietnam base with XPS foam.
I tried to texture this with a a hot air gun but the results were unexpected and frustrating.
Gaps are forced open and joints peel back.
Here is the finished layout before painting. I covered the surface with ground cork.
This is the last post before submission. More after the competition is finished.