Joinery Techniques(noun): The methods or techniques used to connect pieces of something (cardboard in this case) together.
These are videos from the Learning Library (playlist) of the Adaptive Design Association.
View videos 5.1 through 6.3 (total time 9:43)
Edging the Cardboard: Handout and Video
Videos:
Adding Nails to cardboard furniture
Materials needed:
Wooden nails
Awl
Hammer
Wood glue or white glue
Sometimes they come through the side of the cardboard pieces
You can use a small miter saw or wire cutters
After cutting the ends of the nail are flush (even with) the surface of the cardboard