Sassy Frass this is a different but easy block
How to Sharpen Your Rotary Cutter Blade. You simply fold a piece of foil a few times and just slice away with your blunt dull rotary cutter, pausing a few times to test it out on your fabric scraps till it starts slicing away your fabric too! You will end up an almost new rotary cutter!
Colorful, Bright Patchwork