Parametric T-shirts

I’m excited to share my new TeeMill site, selling T-shirts based on graphs of parametric equations.

Harmonograph Rainbow
Changing Waves
Spirally Flower

There are three designs currently available, and all can be bought in loose fit or fitted, and with or without the equations that created the design displayed underneath.

You can also find GeoGebra files, where you can play with the graphs of the equations yourself, here.





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Hello! I’m Sam Hartburn, a freelance maths author, editor and animator. I also dabble in music and write mathematical songs. Get in touch by emailing or using any of the social media buttons above.

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