Methods for forming a Reuleaux shape from a material involving placing the material into a container, moving the container along an orbit until the motion of the container along the orbit causes the material to assume a Reuleaux shape, and removing the Reuleaux shape from the container. Devices for transforming material into a Reuleaux shape, including a wheel, a platter mounted on the wheel, and a container mounted on the platter. Kits for forming a Reuleaux pentagon, including material having sand and silicone and a hexagonal container.