From the creator’s post
not the full promptTested Claude Fable 5.1 for 30 minutes.
One prompt: build me a cinematic black hole.
What came back is a single HTML file. No libraries, no textures, no assets. Ray-marched gravitational lensing, a procedural accretion disk with Doppler beaming, 26k orbiting particles. All of…
Adds a render step. Works best with the HyperFrames or Remotion skills installed. Free, no sign-up.
Prompt by @ekibuilds. Prompts belong to their creators.