"Trevor G Quayle" <Tin### [at] hotmailcom> wrote:
> Then I realized, all I really need to do us use the crevice grime inside out: a >
bump on the outside is a crevice on
 the inside.

Truly :)

Weren't you originally using multiple objects for this? If that is still the
case, your method would be useful in situations where one might want to chip
away the outer edges of an object with other objects. The chips could be
height_fields oriented to the normals of the main object....

Sam

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