A 3D print of the tesseract, which is the four dimensional analogue of the cube.

Borromean rings is an arrangement of three topological circular rings which are linked in such a fashion that removing any ring results in two un-linked rings. The name comes from their use in the coat of arms of the aristocratic Borromeo family in Northern Italy.

Penrose tiling, named after mathematician Roger Penrose, is made from a pair of shapes that tile the plane only aperiodically (when the markings are constrained to match at borders).

Projective curve in ℙ^2

The Brillouin zones of a square crystal lattice in two dimensions, which underlie the analysis of waves propagating through the crystal.

This image represents the loxodrome of a sphere. A loxodrome is the path taken when a compass is kept pointing in a constant direction. If the surface is a sphere, the loxodrome is a spherical spiral.

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