Play with the fonts here: http://erikdemaine.org/fonts/ http://erikdemaine.org/fonts/ — for each one, there's a webpage which lets you enter your own text, and

Play with the fonts here: http://erikdemaine.org/fonts/ http://erikdemaine.org/fonts/ — for each one, there's a webpage which lets you enter your own text, and also has some information about that typeface and related mathematics. These fonts are of course more about the latter (can we create letter shapes subject to these constraints) than anything you'd set a page of text in, but that doesn't make them any less fun.