: 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.
The final piece will tuck into the remaining open pockets to complete the 3D structure. How to Fold Origami Paper Cubes How to Make a Paper Cube Using Origami
Tuck the corners under the existing flaps to secure the module into a parallelogram shape.
Fold a square in half and unfold. Fold the top and bottom edges to that center crease. : Take the small loose flaps at the
: Push the horizontal creases together so the paper collapses into a layered triangle. This is the standard "water bomb base".
Fold the ends of the parallelogram into triangles to create a square unit with two triangular flaps. Make five more identical units. : The final piece will tuck into the remaining
: Fold the left and right points of your diamond inward to meet the center line. Repeat this on the back side.