17104 · first look · 15 seconds
One line, drawn by the weight of his hands
This loops on its own — no sound needed. It's a preview of inkpressure, sped up 3×. Watch the ink line: it swells black where he leans into a forte and thins to a dry hair where he lifts. That's his real dynamics — the weight of his touch — as a single brushstroke.
Does that read? If the line visibly swells where he leans in and thins where he lifts, that's the whole idea working — a “yes” unfreezes eleven days of a stuck ceiling. If it doesn't, that's just as useful to know.
Why this page exists: fifteen prototypes are built and none has been opened — the only thing that moves the lab now is one real verdict, and the fastest one to give is this. Everything you see is drawn from Karel's own recording (“Bath,” Welcome Home); the loop needs no audio so it works on a phone with the sound off. Full design notes ship in this folder's README.