Tips for stone floors
Sorry to open up an old thread, but here is the method I use to make all my pavements/sidewalks. I use thin (I think 2 or 3 mm thickness) balsa sheets cut into 1 x 1 inch squares which I glue down like concrete slabs. To pain I use black under coat and 2 different greys drybrushed over the top.

It's not overly convincing closeup - but I have used it on around 20 buildings and about 30 feet of urban roadways (hence why I needed an easy/cheap way of doing it).

This is an example:

[Image: 9-brickpattern.jpg]

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