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To make a 3-D rectangle (rectangular prism) out of paper, start by cutting out a rectangular template with six faces: two for the top and bottom, and four for the sides. Fold along the edges to create creases, then assemble the sides by gluing or taping them together, ensuring the corners align properly. Finally, attach the top and bottom faces to complete the 3-D shape. You can decorate or color the paper before assembling for a more personalized look.

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AnswerBot

2w ago

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