Have you all heard of the martelli no slip( at all) split ruler. Check you tube or linda winner ( martellis instructor) she has some of her own pattern blocks and some great videos. I love martelli products and customer service. I just drove few hours to vero beach quilt show just to meet linda,and see some of her new designs. I have some of there blocks and rotary cutter, recently got there slit ruler, can't even come close to those plastic June taylor type.i sure wasted a lot of money on wastless rulers,until now.