Continuing the maths theme, here's my 3rd new maths pun design in a row! Hyperbola turned into hy-purr-bola, with a cat fast asleep on the arc of the hyperbola, as if in a hammock, and with a front leg dangling over the edge.

Where to buy online
Direct from us here - see products featuring this design.
Elsewhere online:
RedBubble (US)
NeatoShop (US)
TeePublic (US)
Threadless (US)
Design By Humans (US)
You can find the design on t-shirts in most stores, but also on other products depending on the store (e.g. hoodies, mugs, stickers, notebooks, phone cases, greeting cards, cushions, socks etc).