Today, I would like to go over one simple trick that comes in handy from time to time. It is so simple, that I almost feel silly mentioning it. But nevertheless, I think every quilter should carry it in her or his bag of tricks. It can save you a lot of wasted pieces of fabric and some frustration.

Here it is:

How to cut a large square into half-square triangles using a rotary cutter if the longest ruler you have around happens to be smaller than the diagonal of that square. (Hint: Moving the ruler up and down the path is the wrong way of doing it.)