Shape worksheets somewhere online?

I am looking for a set of free printable plain basic shapes that have 1 shape per sheet, preferably covering a large portion of an 8 1/2×11 piece of paper.  I want my almost 3yo to be able to either color it, or cut it out, or trace it on tracing paper, or punch holes onto another sheet of paper with a toothpick, or ?  But I am not finding just plain shapes.  I found a bunch of holiday type shapes, and I’ve found sheets of multiple shapes, but nothing with just 1 large shape on the paper (circle, square, heart, etc).  Anyone know of any somewhere?  This can’t be the first time someone thought of this idea, is it?