If you are an artist thinking of selling t-shirts printed with your art, you can expand that even further.
The Print All Over site offers high-end blanks for you to print your art on as bespoke/commission-ed items for your buyers. Print All Over offers all the usuals (dresses, bandanas etc) as well as kimonos, rain coats, robes, ghost costumes, and Bomber jackets.
On the Rage On site you can sell your art printed on items such as aprons, backpacks, shower-curtains, swimwear, beach towels, hoodies, sweatpants, sweatshirts, onesies, leggings, tank tops, bandanas, dresses, underwear, sandals, pillows, yoga mats and other items. Read the artist submissions guidelines for Rage On here.
There are many other sites like Print All Over and Rage On. Many high-end art galleries are also offer similar services. Find many more listings of such sites on our Art Print Artist Resources e-list, also available here.