a tray that remembers gravity
Sand
Drawer.
Tip a jar, drag across the tray, rake it flat and tip again. The sand remembers the shape you gave it.
color
Drag to pour. Focus the tray: arrows move the brush, Space applies the tool. Shift + drag rakes. 1-5 color · P pour · K rake · B breeze · R empty
Your tray stays in this browser. Reduced motion keeps sand still; pour and rake remain available.