Circle Packing Diagram - Visual Geometry & Animation Toggle #166606 (License: Personal Use)

This diagram illustrates a classic circle packing configuration where four identical blue circles occupy the corners of a green square, with a fifth smaller circle nestled at the center. The labeled radius R = 0.21 indicates the proportional size of the central circle relative to the container. Two interactive buttons ("Animation On"/"Animation Off") suggest dynamic behavior, likely demonstrating morphing or scaling transitions.

Used in educational math/geometry resources, UI design demos, or algorithm visualization pages to explain packing efficiency, symmetry, or responsive animations. Matches user intent for learning spatial optimization or exploring interactive SVG/Canvas demos.