Having seen an evocative image on Bob Corderys' Blog I popped into the local B&Q to see what options I could peruse.
Bobs Blog is at:
The setup created by a wargamer called Ian Dury has called for some investigation.
The tiles Ian has made looked like MDF or carpet tiles or carpet underlay.
At B&Q I found two possible options.
One was Wood Fibreboard Underlay, a big pack costing £24 and would contain enough for an absolute ton of tiles. I have looked at this material before and thought that it wasn't very robust and could be difficult to cut accurately. I also think that it would be difficult to take paint.
The second was standard carpet tiles at £3 for a two foot square. Lots of different colours were available including greens, browns and greys. The tiles had a rubberised backing which might or might not be easily cut with a stanley knife.
Looking back at Ians tabletop I am not convinced that he used either of these options. I am more inclined to say that he used carpet tile without the rubberised backing. I wonder if we can get this question answered directly? (Bob?)