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Bridges

Escher-like Spiral Tilings

The artist M.C. Escher drew many lovely tilings, which he called “regular divisions of the plane”. He worked hard to ensure that his tilings were of lifelike animal forms such as birds and fish. He filled notebooks with hand-drawn sketches of tilings, many of which later found their way into …

Hexagonal Cross Stitch

At least year’s Bridges Conference in Stockholm, I attended a short presentation by Susan Goldstine about “self-diagramming lace”. As motivation for the new work she was presenting, Susan referenced her paper from the year before on what she calls “symmetry samplers”. Samplers are an old tradition in fibre arts. A …

Hypocycloid juggling patterns

I’ve been having fun experimenting with interesting visual patterns that emerge when multiple points are moved around hypocycloids. I ended up writing a Bridges conference paper on the topic, but the animated quality of the results is so crucial that it seemed absolutely necessary to create a web page to …

Modular origami halftoning

Fold a square of origami paper in half, unfold, fold it in half the other way, and unfold. Now fold the corners to the centre. Turn it over and repeat. You may be reminded of folding what’s often called a cootie catcher or fortune teller. You end up with the leftmost module in …

The Bridges Archive

Last year, shortly before the opening of the 2013 Bridges conference in Enschede, I launched The Bridges Archive, a comprehensive repository of every paper ever published in Bridges. This was the first major step forward in a project that was more or less inaugurated in 2009, when participants in that …