Dancing Donuts by Nick Curtis is a free retro caps display font with a chunky 1970s sign-shop attitude. The letters are broad, blocky, and softly rounded, then pushed further by a heavy offset shadow that gives the whole font a bouncy, stacked look rather than a hard geometric one.
It fits posters, diner-style branding, album sleeves, party flyers, and title cards where you want that cheerful throwback weight. As a free font, it also suits short headlines, logo sketches, and monograms, because the thick shapes and big shadow do most of the styling before you add anything else.