To build a pyramid out of cardboard, use four cardboard triangles and one cardboard square. The pieces can then be taped or glued together.
Know MoreThe following example uses a 4-inch base, which is close to scale but not exact. A pyramid's exact dimensions are determined by calculating the apothem and using the Pythagorean theorem.
Step 1: Cut the base
Cut a 4-inch square piece of cardboard.
Step 2: Cut the triangles
The base of the triangles must be the exact same as the sides of the square and about 3 inches tall. However, equilateral triangles will work.
Step 3: Tape the pieces
Tape the triangular pieces together on the longer sides, and then tape the base to the triangular part and decorate if desired.
Learn more about Paper CraftsWhen cardboard is curled so the two sides of the wedge meet, it forms a cone. The larger the circle is, the taller the cone.
Full Answer >The key to building a boat out of cardboard is increasing the amount of surface area touching the water. The best cardboard boats make use of folded and interlaced cardboard designs.
Full Answer >To make a cardboard church, cut four identical rectangles for the sides and roof. For the front and back, cut two squares and two triangles. To make the bell tower, cut four tall rectangles. Glue the pieces together to complete the church.
Full Answer >Four pieces of 6-by-6-inch origami paper is required to make a paper pyramid. Fold each piece the same way, and then assemble piece by piece into individual pockets.
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