Developer ditches slides, builds custom 3D rendering engine with GPT-6 Astra for keynote
AxSaucedo · x · 2026-09-11
Alejandro Saucedo skipped traditional slides for his opening keynote at Signals Berlin 2026, building a custom 3D rendering engine with GPT-6 Astra instead. The talk, titled "The New Failure Modes," lives as an interactive 3D webpage.
The site includes full keynote functionality: arrow keys or a clicker to travel between speaking stops, free-scrolling 3D navigation, a separate presenter window with notes and a 45-minute clock, slide index, fullscreen/blackout controls, and a preflight checklist. The author calls the result "getting ridiculous."
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