Mathematical Knits from Woolly Thoughts

Wooly Thoughts is a great site for lovers of mathematics-based knitted and crochet items. From their introduction:

We are designers of mathematical knitwear. Or perhaps we are mathematical designers of knitwear. Whatever you want to call us, many of our designs are simple geometric shapes combined to make elaborate patterns.

But that is not all that we do.

We are mathematicians at heart and so most of what we do has a mathematical basis. This may not always be obvious and it doesn't explain the cartoons and word-play which often creep in.

They make geometrical "mufflermatics" scarves and wraps, afghans, cushions, and other items. Be sure to check out their gallery for details and pattern ordering information.

Shown on right: Counting Pane afghan, "The first row represents the numbers 1 to 10, the second 11 to 20, and so on. The numbers from 1 to 10 each have a colour. This is at the top of the column. 1 is blue, 2 is yellow, etc. If these numbers divide into the number of a square the colour is shown in the square."

(via Fairer Science)