This is slightly related to How to Use Module Maps but instead of being about how to adapt published small maps to 1" scale or using playmats, I'm interested in technique for adapting to pre-published ...
A little background: Our terrain system has always been drawing on a whiteboard. We use blue for water, etc. People/Creatures/Objects are glass tokens (sharpied labels on ours, green for friends, ...
I've recently taken to creating papercraft buildings, castle walls and towers, bridges, crates, hay-bales, etc. for my tabletop RPG combat sessions: They are fragile and need to be stored upright ...