This will be the BOTTOM of your box: #1 With the paper face UP, fold the square in half both ways #2 TURN the paper over. Fold the four corners to the center point It now looks like #3.
#4 Fold the top and bottom to the center so it looks like #5, then unfold. #6 open the top and bottom flaps.
Fold each side into the center and crease.
For tips WATCH THE VIDEO
#9 At fold B open the box with your thumbs on the diagonal fold between A and B. This will bring the inside point of fold B up to meet the outside of fold A. #10
On line A fold down the flap to the inside of the box. #11 Turn and repeat on the other end. #12 . You now have the bottom of your box. Stuff it with a crumpled piece of paper to keep your box from getting crushed.
Repeat to MAKE THE TOP which needs to be slightly larger. In steps 4 and 8 fold the sides a little shy of the center leaving about a 1/8" gap if using thin paper or up to 1/4" gap using light card stock. WATCH THE VIDEO .