3D heart demo creators report an eight-hour build with GPT-6 Astra

The creators of an interactive 3D heart say they built it with GPT-6 Astra in eight hours. They say Astra read eight research papers, reviewed anatomical atlas and microscopy data, and interacted with a human expert along the way. They describe a model with anatomy, blood-vessel and nerve layers, including 8,100 modeled vascular and neural branches, detailed valve leaflets, papillary muscles and their supporting chordae.