Copied from my Terrain WIP thread in case it is of interest to 40K players.
Azog
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Well now I will commit sacrilege and post a proper WIP of some 40K ruins I made for the son of some friends of ours who was mad on 40K. Unlike the Osgiliath ruins I had found some foam card by then, so i was able to make something a bit more like the right dimensions.
I must admit I was quite pleased with the finished result.
The WIP shows a couple of techniques of mine.
The chamfered hardboard that would be PVA's both sides to stop any chance of warping.
Checking for clearance with bases
Use of a fine sand / PVA slurry to coat things. I did use bit of textured paint on the walls as this is a more subtle effect.
Adding some pipework with some thin round wood
I must admit I was quite pleased with the finished result.
I added a bit or barbed wire and used basic dry brushing to slowly highlight it up until i was happy.
I was quite pleased with the rusty pipework effect and the scarred walls.
I made a couple of extra craters too - the three pieces were an extra towards his birthday and he was well pleased with them
In the grim darkness of the far future there is only war ... lol