Gift Guide

Gifts for Math Lovers

A mathematician will check. The Penrose tiling here follows its matching rules, the Voronoi cells belong to their nearest seeds, and the payoff matrices are the real games. Correct is the point — it is the difference between a math gift and a math joke.

Tees print on Bella+Canvas 3001, hoodies on Lane Seven French Terry, posters on heavyweight matte stock. Durability counted in washes, not adjectives.

Penrose - Lattice Tee
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Penrose - Lattice Tee
$35.00

Five-fold symmetry that never repeats — the tiling mathematicians long thought impossible. The signature piece.

Voronoi - Lattice Tee
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Voronoi - Lattice Tee
$35.00

Every point assigned to its nearest seed — the geometry behind cell biology, cartography, and half of data science.

Nash Equilibrium — Equilibrium Tee
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Nash Equilibrium — Equilibrium Tee
$35.00

The idea that won a Nobel, drawn as a coordination diagram. Write “for economists” on the gift tag.

Prisoner's Dilemma — Equilibrium Tee
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Prisoner's Dilemma — Equilibrium Tee
$35.00

The most studied game there is, printed as its payoff matrix.

Penrose — Lattice Hoodie
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Penrose — Lattice Hoodie
$64.99

The aperiodic tiling at hoodie scale, on heavyweight Lane Seven French Terry.

Penrose — Edition (Matte Poster)
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Penrose — Edition (Matte Poster)
$32.00

The tiling at wall scale, on heavyweight matte stock — for the office or the classroom.

Tit for Tat — Equilibrium Mug
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Tit for Tat — Equilibrium Mug
$24.00

Three rules that beat every cleverer strategy in Axelrod’s tournament. Holds coffee.

Penrose — Decal
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Penrose — Decal
$3.00

The five-fold symmetry as a kiss-cut, weatherproof decal from $3. The stocking filler.

Good to know

The mug, the poster, and the decal need no size. Tees follow standard Bella+Canvas sizing and run true.

Everything is printed to order. If anything about the order isn’t right, email care@lunthra.com — a real person answers.