Paper Materia That Fold Nicely. Very good results were achieved with acrylic, polystyrene and lexan. You can apply glue on the small part to keep the fold from getting loose.
Now fold the opposite corner towards the middle (keeping the previous fold on its place). You can apply glue on the small part to keep the fold from getting loose. Origami crafts are always a good idea to spend some quality craft sessions with fewer craft supplies.