Many makers start by building mock-ups from cardboard, but [Alex-08] has managed to build an R/C plane that actually flies, out of cardboard. If you’ve been thinking of building an R/C plane ...

Shapes with flat, angled sides, like pyramids ... through the cardboard. Pop out all the triangles and apply glue to the jagged edges to adhere them to each other and make them 3D, ensuring ...