Once you've cut up your cardboard to size you'll often want to join it together. Here are some ways to do just that!
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Double Sided Foam TapeFoam tape with double sided adhesive is a quick way to join cardboard. |
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Hot Melt GlueHot melt glue is one of the best ways to join cardboard. It is fast to cure, strong, and can fill in gaps in uneven surfaces. |
PVA White Glue
White glue works very well on cardboard. It's a bit slower to dry than hot melt glue, but requires no special tools, and is cheap and ubiquitous.
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Brass Paper FastenersPunch a couple of holes in your cardboard, push a paper fastener through, and fold out the legs. Instant connection! |
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RivetsRivets make for excellent fasteners, and since they have a smooth shaft, they can be used for rotating pivot points and joints. |
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ScrewsMakedo Scrus are specialized screws designed specifically for joining cardboard. They come in two lengths -- the short ones work great for two or three layers of cardboard, the long one can handle even more, particularly the thick, 5-ply cardboard from heavy-duty shipping boxes. |
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Zip TiesZip ties are incredibly versatile. Here's a trick for using them to create rivets of greatly varying lengths. Push one zip tie through the cardboard to be joined, then slip a second zip tie onto it. Trim the excess length. |
Lap Joints
Looking for a nice, clean 90° joint between cardboard sections? Here's a great way to do that -- it's similar to a lap joint in woodworking.
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Support
Depending on your project, you may need a bit of extra strength and support where your walls are joined. There's a simple, yet effective way: cut a few triangular support braces and glue them into place!
