Quote Originally Posted by Vron89 View Post
I'll give that a try. The issue is cutting this paper is REALLY difficult (if if your corners are too sharp, they can crack in the oven). But I will still give it a shot!
the cracking would be related to material stress in the shrinking process.
If you had a punch style super sharp cutting tool you could radius the internal corners and then cut up to that radius. the radius would relieve a lot of the material stresses, reducing cracking.