Honestly, I've always felt that's comparing apples to oranges. The motor skills might overlap a little, but tattoo machines are a completely different beast than a nib and ink. The vibration, the skin resistance, it's a whole other world of hand control. My buddy who's an artist says calligraphy gives you false confidence for line work under a needle. You really need to build those muscles specifically for tattooing.
Yeah, because mastering elegant flourishes on paper totally translates to wrestling a buzzing machine on someone's bicep! Your buddy isn't wrong about that false confidence, it's like thinking you're a chef because you can microwave popcorn. The sheer shock of that first needle vibration probably feels like your hand betrayed you and joined a rock band mid-line.
Picture trying to translate those delicate calligraphy flourishes onto skin while a machine buzzes like an angry hornet in your hand. Brooke nailed it with that false confidence idea, where you go from graceful pen strokes to feeling like you're etching glass on a speeding train. David's point about different beasts rings true, because no amount of ink on paper prepares you for the surreal feedback of human skin or the sudden urge to apologize mid-line. It's the kind of skill jump that makes you wonder if surgeons practice with butter knives first. Honestly, maybe start by tattouing grapefruits and work your way up to anything with a pulse.