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Original tees for coders, science fans & math minds
Most tell jokes. Some explain the universe.

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Geometry t‑shirts

CIRCLES · TRIANGLES · SOLIDS Every angle covered. Most of them right.
I See You Have Graph Paper - Charcoal geometry t-shirt
Black
White
The Dad Angle Sale priceFrom $23
Black
Pumpkin Pi Sale priceFrom $23
Maroon
I See You Have Graph Paper Sale priceFrom $23
Forest Green
Yes I’m Always Right Sale priceFrom $23
Charcoal
Geometry Hippotenuse Sale priceFrom $23
Dark Heather
Royal
Conic Sections Sale priceFrom $23
Dark Chocolate
The Sierpiński Triangle Sale priceFrom $23
Maroon
Non-Euclidean Geometry Sale priceFrom $23
Forest Green
The Möbius Strip Sale priceFrom $23
Dark Heather
Pythagoras Sale priceFrom $23
Navy
The Bridges of Königsberg Sale priceFrom $23
Royal
Black
The Golden Ratio Sale priceFrom $23
Sport Grey
The Nine-Point Circle Sale priceFrom $23
Military Green
Euler's Formula Sale priceFrom $23
Maroon
Thales' Theorem Sale priceFrom $23
Charcoal
Tessellation Sale priceFrom $23
Royal
The Platonic Solids Sale priceFrom $23
Gold
Triggersome Sale priceFrom $23
The Geometry Edit

Geometry shirts for people
who never cut corners

Tangents, right angles, one-sided strips and the oldest proof in the book.Three picks from the range, all of them provably good.

Drawn, not written

Geometry was always going to end up on a shirt. It’s the one branch of maths you draw rather than write. A right angle, two parallel lines, a solid unfolded flat: the notation is the picture, and it has barely needed an update since Euclid wrote the textbook.

The geometry shirts that wear well never explain themselves. They reward the second look: the everyday phrase that turns out to be a real construction, the shape that turns out to have only one side. Get it, and you’re in the club.

Sometimes I Go Off On A Tangent geometry t-shirt Shop Off On A Tangent
Editor's Pick

Pythagoras

Three squares on three sides, and the two small ones add up to the big one. It’s the first proof most people meet and the only one many remember, which is why it earns its place on cotton. Worn by people who still find it satisfying, teachers who have drawn it a thousand times and anyone who thinks the oldest idea in the room is often the best.

Shop Pythagoras

An argument you can wear

On a whiteboard, a construction is a question with a mark scheme lurking at the end. Set in clean white line work on a black tee, the same figure becomes a private signal to anyone who knows a rhombus from a trapezium without stopping to think.

It’s not a homework diagram. It’s a proof with sleeves. And the people who clock it are usually the ones worth standing next to at the party, if only because they’ll stand at a sensible angle.

Mobius Strip geometry t-shirt Shop The Möbius Strip