GD&T 360 is a free app that comes with easy-to-use translation features, explanations, and notes from a community of engineers, packed with helpful tips and tricks. Learning GD&T takes time and commitment. Although the basics are pretty easy to learn, the vast combinations of symbols can leave anyone feeling like they have to memorize a dictionary. That’s why we created GD&T 360 as an essential app to keep at your side, saving you countless hours and headaches.