I've been using a Martelli rotary cutter for about a year now, been very satisfied with its performance and less fatigue in my hands and wrists. The last couple days, however, I've been having problems when I try to cut on a diagonal -- it's like the blade stops turning, the fabric develops wrinkles in front of the blade and if I continue with the cut it's very jagged. Of course I need to be making diagonal cuts right now for a large set of swap blocks due July 10.
I'm not having this problem with straight cuts; only diagonal ones. I changed the blade about a week ago so it should not be dull.
Any ideas what my problem could be?
Donna D., Hemet, CA