A rolled out image of a cone by dividing the base in equal parts and arcs to measure the true lengths.
The illustration shows the cylinder rolled out in a tangent plane of the base to create a development…
An illustration of a hexagonal prism rolled out, or "stretched out" in the straight line AB.
An image of a hexagonal pyramid stretched out. The length of the edges are equal plane, and intersects…
A stretched out image of the octagonal dome by using projection or with dividers to create a five-piece…
The illustration of a rectangular pyramid unfolded by creating edges equal length to the base and meeting…
An illustration in flattening the sphere using Gore method by creating cylinder sections with equal…
An illustration of a development of sphere using Zone method by creating sections of rolled out cones.