Not surprisingly, the best thing to make rock from is real bits of
In addition to the basic arid terrain base, as described here
you will need a good bit of rock. Some form of sandstone is best, you
don't want anything too smooth. Round pebbles would look unrealistic for
large scale rocks.
Sticking on the Stone
The best way to stick the stone down to its base is with a good dollop of
Alternatively a generous quantity of PVA
could be used
or even epoxy resin
Make sure it is stuck down over a good area,
or the weight of the stone will pull it off.
any gaps underneath and around the stone with the
tile adhesive or filler,
so it appears to be firmly embedded in the ground.
like to leave the natural colour of the stone showing as much as possible,
but it can look a bit flat. Usually I just drybrush it with a 'Beige'
Sandtex. masonry paint. This also makes it look pleasingly dusty.
To give it bit more texture you could apply a dark brown wash before
the drybrush, but take care because some stones are very porous, so
the wash will soak in evenly all over, instead of gathering in the recesses as intended.