chisle or dremel i belive is the way to go.
with star polyps (as they spread so #40## fast it would be easier to place next to a small hunk of LR and wait untill its spread over to it, separate and hey presto)
with star polyps (as they spread so #40## fast it would be easier to place next to a small hunk of LR and wait untill its spread over to it, separate and hey presto)

oh go on, use a hammer and chissel






