Math Art of Hop David
Some great math-oriented artwork by my friend Hop David. He's a math-oriented illustrator, and also do mural work and folk art.
The following is one of my top 5 favorites of his drawings. It's mixed with math and humor, in a subtle way.
Here's Hop's Gallery http://www.clowder.net/hop/. Hundreds of artwork there. Check it out. If you have young kids, i'd recommend Hop's coloring books there.
He's also on Hop David facebook and Hop David amazon.com author page.
If you have a question, put $5 at patreon and message me.