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If I am going to make a cardboard shelf, how do i make sure it will be sturdy? Answered

For instance, will the edge of the cardboard just bend and be a floppy piece of bent cardboard? Or is there a specific type of cardboard that i am supposed to use?


How much is it going to support over what span? Several ways to make cardboard more supportive. You could glue several layers together. You could make sure that the 'tubes' in corrugated cardboard run the length of the shelf. You could use 'honeycomb' cardboard (looks like a honeycomb with cardboard covering the holes). You could create a box structure for strength.