Custom Made 40mm x 40mm Badges Square Add a little flair to your square with our custom made 40mm x 40mm (1-1/2") square badges. As the great Huey Lewis once stated, “It’s hip to be square!” and we couldn’t agree more. If you want to leave the circle of round badges and design something a little more eye catching, then these square pin badges are ideal. Add your personal design touch with a slogan or artwork, and these cost-effective badges will be the perfect promotional tool for your next fundraiser, school event or sports club promotion.