Photo CC-licensed from Flickr User Net_Efekt
Yesterday, designer Ellen Gormley asked a great question (via Facebook and Twitter): “crochet/knit designers: What’s your best method for measuring the circumference of a hat?” And when I gave my answer, I thought–”oh, I should share that here on my blog too,” because it’s a calculation I use a lot . . . → Read More: Easy as Pi
