Engineers use origami principles for a new class of mechanisms that fold out from a curved surface without taking up space below the surface. Potential applications include smaller surgical instruments, expanded drone wingspans, and interplanetary rover wheels that crawl over an obstacles.

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Engineers use origami principles for a new class of mechanisms that fold out from a curved surface without taking up space below the surface. Potential applications include smaller surgical instruments, expanded drone wingspans, and interplanetary rover wheels that crawl over an obstacles.