That 'feature' became the designing principle behind CA Segundo: Round characters like O, U or C are available either with a fat or a thin stroke, whereas other characters with orthogonal lines come in two different styles – uppercase characters emphasize the vertical strokes, while lower cases emphasize the horizontal strokes.
This gives you the opportunity to design just while you type.
Font Family: CA Segundo
Tags: all caps, circle, cuba, decorative, fat, havana, mixed strokes, thin, vintage