An AI-generated tattoo project concept fusing anatomy with engineered machinery, this design reimagines a human ribcage as a layered, clockwork torso. The outer silhouette follows a precise ribcage outline rendered in black and grey tones, but each curved bone becomes a plate-like segment of metal, riveted and threaded with hidden mechanisms. Patterned gears and cogs mesh with tubular pistons and cylindrical cores, creating a cohesive engine-like spine that reads as both anatomical and mechanical. The piece relies on high-contrast shading to establish depth, with sharp edges suggesting polished steel against skin and a softly diffused background that makes the machinery pop. At the base, torn paper edges and ink drips hint at the moment of revelation, as if the skin has peeled back to reveal the inner engine. This is a modern, mechanical interpretation rather than a traditional tattoo motif, conveying ideas of resilience, transformation, and the fusion of biology with technology. For a larger canvas or as a cover-up, the dense blacks and negative space offer strong concealment of older work, while maintaining a striking silhouette. As a concept for a custom tattoo design, it invites a tattoo artist to tailor line weight, shading, and gear detailing to individual anatomy, while staying aligned with keywords such as black and grey realism, meaningful tattoos, and the broader language of tattoo design, ink, and body art. It is an AI-generated tattoo project, illustrating how synthetic concepts can inspire enduring, high-contrast body art.