I have a metal L ruler that I "borrowed" from my mom. I was at a friends house and her hubby is a plumber and he had one of these rulers where we were going to sew and I grabbed it to square up and cut fabric and it worked beautiful. was at my moms and saw hers and had to borrow it. I have already used it a dozen times. when I am cutting a lot of stuff it works great for long lines of fabric. mostly because it is really heavy and holds the fabric really well.