A physical model of stereographic projection. Credit: henryseg on thingiverse.In complex analysis, a Riemann surface is a surface composed of copies of the complex plane. Since the features of the Earth's surface can be associated with the complex plane by stereo graphic projection, a layperson may prefer to envision a Riemann surface as a surface that has been seamlessly decorated with copies of the Earth's surface—what we'll call Weird Earths. Participants will fold their own Riemann surfaces from pre-cut and pre-creased cardboard strips. The maps printed on the strips are Oscar Sherman Adams' "World in a Square II."
I am indebted to the Five Fold Way, a folding dog exhibited at Bridges Baltimore 2015 by www.tessellation.jp for this novel "folderoll" technique.
The Five Fold Way, a folding dog by www.tessellation.jp .
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