NEVER SOLD OUT! Click here to get one printed just for you by Teemill, in an even bigger range of colours, shapes and sizes.

As seen on Matt Parker’s torso and YouTube channel, it’s Festival of the Spoken Nerd's new recursive t-shirt!

Click here to go to our Teemill store, where you can get your own in a whole range of shapes, sizes and colour ways, with the infinite design at a jaunty angle or in a parallel style.

And they'll never be out of stock, because Teemill print each one on demand just for you using environmentally friendly inks on organic, sustainable, fairtrade cotton.