Embodiments of the present disclosure include extendable structures and methods of forming an extendable structure. In accordance with an embodiment, an extendable structure includes a first chain of interlocking components including a first interlocking component, a second chain of interlocking components including a second interlocking component configured to mate to the bottom surface the first interlocking component, and a third chain of interlocking components including a third interlocking component configured to mate to the bottom surfaces of the first interlocking component and the second interlocking component. The extendable structure may include more than three chains of interlocking components and each chain of interlocking components may comprise three or more interlocking components.