Replicate what we know first, then change the shapes. The quanta are rainbons, not electrons.
Top: the wave field — N circular rainbon waves, time-averaged intensity. Bottom: the screen, where rainbons land one at a time (sampled from the true intensity) and build the interference pattern. Frequency mismatch detunes one slit: when the waves stop agreeing, the fringes drift and beat. Switch to the curved sphere to catch the pattern on a translucent convex wall. Measured: the flat pattern is the exact N-slit Fraunhofer intensity; the curved capture and mismatch are the RAINBOR exploration — keep only what reproduces.