once folded into its final shape the rocket has an awesome hexagonal cross section. HEXA is certified Open Hardware As with a traditional kit, both the nosecone and fins are plastic. Except here ...

When the cross-section is a hexagon, the prism is called a hexagonal prism. The surface area is made up of the end faces and rectangular faces that join them. To calculate the total surface area ...

When the cross-section is a hexagon, the prism is called a hexagonal prism. Image caption, The faces of a prism are the congruent polygon ‘ends’, plus the rectangles that join them.