I'm going to start a Terrain log here.
I have been working on a few ideas and this is what I have so far.
My terrain is aimed at multiple game systems so it will work with 40k or smaller skirmish games.
I'll keep my paper terrain log separate.

Here is a quick little project for a bus stop.
The curved area will get covered with a corrugated like material on top and the inside.
It will be painted in a Testors Metalizer stainless steel.

Here are some of the tools you will need: