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 ...
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 ...
You can build a model of the Great Pyramid, but first you need to scale it down. To do this, you will need to make the pyramid 3,000 times smaller than it really is! To achieve that, every 30 ...