Continue connecting the pieces at right angles. Each face of the cube will eventually be the center square of one module, while its flaps lock into the adjacent modules.
: Take the small loose flaps at the top and tuck them into the little pockets you just created in the previous step. Repeat on all four sides.
Fold the top-left corner down and the bottom-right corner up to create diagonal edges. 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.
Fold a square in half and unfold. Fold the top and bottom edges to that center crease. Continue connecting the pieces at right angles
: You need 6 square sheets of paper, all the same size. Fold the Modules :
: Start with a square sheet. Fold and unfold it diagonally both ways to create an "X" crease across the paper. Repeat on all four sides
Insert the triangular flap of one module into the center pocket of another.