Origami 3 Angle Triangle. Fold both layers of the bottom point up to the top of the model, then open. Divide a triangle into 3 equal parts.
You can make the t. For example, the right triangle with the sides of length 6, 8 and 10 is an egyptian triangle (because the length are the double of the rope triangle). Fold both layers of the bottom point up to the top of the model, then open.