He never did find out what that meant. But when they submitted the project, the render engine produced a twilight view that made the jury weep. The glass wasn’t reflecting the sunset. It was holding it.
Then the model rebuilt itself.
The Krystallos was built. It stands today in Uppsala. And every evening at dusk, if you stand inside the spiral, you can see a faint, impossible gleam in the corners of the glass—like a line of code written in fire. Archiglazing for Archicad 16