Responsive objects / 11 / Magnetic particles
Listener Magnetic Contour Slate.
Follow the blue curl from The Listener. Wherever the stylus passes, the pale display fills with dark dots.
Material study 11Sealed drawing surface
Pale guide / Dark particles
Follow the curl.
Start at the small circle near the bottom. Drag along the dotted guide with a mouse, pen or finger, or select Trace the curl. Select Erase slate to clear the marks.
Slate clear. The guide is ready.
The dotted marks simulate particles gathering near the front of a sealed display. A physical insert would let the studio check contrast and how cleanly the slider erases. View the slate mockup ↗