Gas Can Replacement Cap

A replacement for the cap for my 5gal gas can, which I lost while fueling up the snow-thrower. I didn't bother to replicate the bit that slides into a groove to hold it securely, since it is snug enough to hold on its own. In fact, my first try, which included such a groove (at the wrong end because I'm an idiot) fits so well I just left it at that.)