A single sheet of paper folds and unfolds step by step, hinging along invisible crease lines into a crane-like form. Real origami relies on a crease pattern of mountain and valley folds radiating from a base square; here each flap pivots around its hinge exactly like a valley fold, while nested sub-flaps simulate the second-generation creases needed to build up a bird base. The staggered phase offsets between hinges recreate the sequential order a paper folder would follow by hand, so panels near the center settle into place before the outer tips catch up. Watch the interplay of shadow and color across the pink and gold panels to see how each fold changes the surface's silhouette from a flat plane into a faceted 3D form.
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