This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Ordering a last minute gift for the holidays? Consider a digital gift card!

Cart 0

Congratulations! Your order qualifies for free shipping You are $100 away from free standard shipping for US orders.
No more products available for purchase

Products
Pair with
Subtotal Free
Shipping, taxes, and discount codes are calculated at checkout

Your cart is empty. Keep exploring!

All Creators
All Products
Black outline drawing of triangle with a happy face celebrating on a gold pin - from Vi Hart
Black outline drawing of triangle with a happy face celebrating on a gold pin - from Vi Hart

Triangle Pin

$12.50
Item is in stock Hurry! Low inventory Item is out of stock Item is unavailable
  • Description

1.25" wide with two pin backings. 


Free standard domestic shipping on orders over $100

6 Month Return Policy

You may also like:

Lavender color shirt with “Pi Day 2022 Chromatic Challenge Winner” written in warped, serif font surrounded by a circle of music notes and bars all colored in metalic rainbow in center of shirt - from Vi Hart

Pi Day 2022 Exclusive Shirt, Shiny Edition

$35.00

[{"variant_id":"12244133412939" , "metafield_value":""}]

Triangle Pin

$12.50

ABOUT THE CREATOR

Vi Hart

Vi Hart is a mathemusician and composer known for popularizing the beauty and joy of mathematics through work such as Twelve Tones, Doodling in Math Class, Hexaflexagons, and Parable of the Polygons. Hart has been featured in the New York Times, NPR, Salon, Wired, and New Scientist, and is a recipient of the JPBM Communications Award.

Shop their collection
  • Related products
  • Recently viewed