3 months ago hyperreal biomechanical concept art, 3D render, physically based shading, filmic tonemapping, cybernetic heart fabricated from glossy polymer chambers and matte carbon-fiber arteries, exposed braided wiring looms, stacked microcontroller PCBs, hose clamps, micro fasteners, arterial ports with O-rings, subtle surgical residue, sterile studio setup, deep cool-teal matte gradient backdrop, large soft wrap key with cool edge rim, faint amber indicator LEDs, occlusion-rich contact shadows, subsurface scattering in translucent tissue, micro-scratches, condensation beads, hairline seams, high-frequency displacement on vascular surfaces, grotesque yet clinical realism, palette shifted to oxblood, hematite black, oxidized-copper tints with cyan accents --ar 9:16 --raw Grayve PRO 5 220
