Reply To: I made a hot wire so now have a million questions about styrofoam

[damon 7532xp 1]

I think the ‘virgin’ surface gets compressed and heated during the manufacturing process and has a ‘face hardened’ layer that takes impressions better than a cut surface, could be wrong, but that’s my theory.

I found making a shallow cut with a blade and then defining the line with a blunt pencil helped to reduce tearing