Kittyfly/Shutterstock As far back as the 90s, collecting Pokémon Trading Cards has been both a fun pastime for fans of all ages and, in recent years, a surprisingly lucrative side hustle, both reasons why the cards are still one of Nintendo's most prominent products . While the Pokémon TCG Pocket app has introduced digital trading , there's still plenty of demand for the physical cards. Whether you're collecting them to sell or just to appreciate, it would definitely be to your benefit to have a safe place to store them. Rather than a three-ring binder and a flimsy vinyl sleeve, why not use a 3D printer to create something that's not only much sturdier and more secure but also looks much, much cooler? Thangs user AF_inventions designed an exceptionally stylish 3D-printed compact binder for their rarest Pokémon cards.…