: Start with a square sheet. Fold and unfold it diagonally both ways to create an "X" crease across the paper.
This single-sheet method is popular because it begins as a flat, folded shape and "magically" inflates into a 3D cube by blowing air into a small opening. How to Make a Paper Cube Using Origami
This version uses six identical units (Sonobe modules) that lock together. It is much sturdier than the single-sheet version and looks great when using different colors. : Start with a square sheet
Making a paper cube is a classic origami project that can be approached in two primary ways: using a of paper to create an inflatable "water bomb" cube or using six sheets for a sturdy "modular" cube . Both methods require square paper and sharp creases to ensure the final shape is crisp and holds together without tape or glue. Method 1: The Inflatable Water Bomb Cube This version uses six identical units (Sonobe modules)
: On the top layer, fold the two bottom corners up to the top peak of the triangle. Flip the paper and repeat on the other side to form a diamond shape.