A hyper-detailed 3D render of a sci-fi baroque brain device featuring an anatomically correct structure encased within a glass terrarium dome, adorned with intricate steampunk details and scientific instrumentation. The design includes delicate copper tubes and brass gears interwoven with lush greenery and miniature biomes, creating a harmonious blend of nature and technology. The photorealistic elements highlight the complex network of synapses and organic textures, while maintaining an aura of sophisticated elegance and advanced ingenuity.