1. Pointed
pyramid-shaped brushes
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The first additional
rock style is based on pyramid-shaped brush which is useful
for the transition from Rock to the ground. So simply create
a rectangle brush and use the drag edges function to make
it pyramid brush.
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Then put it somewhere into your existing rock-wall. You will notice
that it doesn't fit very well so use the drag vertices function
to give it the right look.
2. Overhanging
brushes
Another additional rock style is based on an overhanging brush which
looks good in combinations with rectangle walls. One way to create
such a brush is to make a triangle then use the drag edges function
to make it overhanging and finally play around with the cutting
function to make it more detailed Now select it and put it into
your wall (somewhere at the
top) and use the drag vertices function to change the size and to
fit it in a good looking position. But then the edges will stand
out of the wall which doesn't look very well (I marked this parts
in the picture). So the next step will be to cut off all these parts.
3. Final
look
Now your rock-wall is ready only combine it with a good looking
ground and you have a nice outdoor map.