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The project is a global community art initiative, produced mostly by thousands of women who crochet colorful, breathtakingly beautiful reef-like forms according to principles of hyperbolic geometry.

The project also explores mathematical themes, since many living reef organisms biologically approximate the quirky curvature of hyperbolic geometry.

With “Point of Infinity,” too, he says he’s interested in the play of presence and absence, or “the presence of immateriality” suggested by its hyperbolic geometry.

In hyperbolic geometry the relationship goes the opposite way: the larger the triangle, the less total angle it has.

The result was a “saddle”-shaped surface—a hallmark of a field called hyperbolic geometry, which obeys different rules from the geometry most people learn in school.