How to Make a Tetrahedron

This is a simple step by step video tutorial of how to make an easy tetrahedron in a few minutes.
2 simple methods to make Tetrahedron.
enjoy and Try.
In geometry, a tetrahedron, also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.
The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces.