A beautiful highly detailed mechanical (Tiny submarine built in the form of a shark with head body and tail made of rusty metal plates, nuts, cogs, and bolts:1.3) by Eric Fan and thomas kinkade, (atompunk:0.8), 70mm photo, featured on artstation, 4k, octane render, (centered composition:1.2), 4k, 8k, artstationhq | Steampunk