A coffee mug, of course ... and using the huge graphics library to piece together a unique design for your totally custom mug. These are all free for commercial use. Another popular option ...

which turns your mug into a 20-ounce, travel-friendly coffee maker. To get started, add one of the company’s included custom filters to the Nesting Cup, add a little bit of near-boiling water ...

Engraved jewelry and custom photo ... exact 15-ounce mug from online customization shop Zazzle twice, and both arrived quickly and still look great after hundreds of cups of coffee.