re: Diamond Buttercream Quilting Technique

I’m having such a hard time with this. :-/ I use IMBC and I let the cake set yp, but when I put the mat on, and remove it, it leave an ugly texture in the diamonds. How can I get it to leave the impression without getting that ugly texture HELPPPP please

Crys, Kitty Cakes, www.facebook.com/customkittycakes