AI-generated tattoo project concept: a biomechanical heart formed from interlocking gears, pistons, and tubing that converge into a single, iconic organ. Rendered on white drafting paper, the design sits amid drafting tools—a steel ruler, protractor, and precision markers—emphasizing methodical construction and technical precision. The line work is crisp and clean, employing fine-line technique to build a sense of depth through cross-hatching and subtle gradient shading, while riveted gears and exposed mechanisms reveal an intricate internal architecture. The heart’s outer contours are shaped by curved tubes that twist and loop, suggesting motion and resilience, with mechanical textures that evoke industrial metal and polished chrome. The composition balances symmetry and tension, pushing the eye to travel through concentric gear trains toward the core. In black and grey ink, the piece reads as a study in contrast, texture, and form, capable of translating into a tattoo design that suits large continental canvases or refined small tattoos; it also appeals to fans of the biomechanical, realism, or Japanese-inspired line work. Beyond aesthetics, the imagery carries symbolism: gears symbolize precision, patience, and interdependence; tubes suggest lifeblood and continuity; the heart stands for endurance, energy, and the fusion of humanity with machinery—meaningful tattoos for someone seeking a bold statement about strength and life. As an AI-generated tattoo project concept, this design invites a custom tattoo design approach, with potential adaptations to black-and-grey realism, fine-line execution, or pattern-driven sleeve motifs, and can be tailored to placements on chest, shoulder, or back; the geometric scaffolding around the heart functions like a blueprint, offering rhythm and structure that tattoo artists can translate into ink, while preserving the artwork’s dramatic narrative.