platyhiker

I used virtual online graph paper to make that drawing. It's pretty basic - graph paper that lets you draw lines on it. Lines must start and stop from intersection points on the graph paper. If you print it out, there are five squares per inch, and there's no option to resize to some other scale. But, it's enough to play around with an idea and see how it looks.

Another way to play around with ideas is to use Microsoft Paint. To figure out the star, I copied the image of the cute quilt from the web page and pasted it into Paint. There I started with drawing straight lines on it to figure out the ratios of the components. I moved one the lines around the image to use it as a ruler, and eventually I figured out that the height of one of the shorter spikes was the same as the distance from the center of the square to the base of the spike and also the same as the width of the base of that spike, which gave me enough information to be able to draw out the star.