A rectangle is a two dimensional figure having two dimensions as. length (L) bredth(B) But in the cased of three dimensional figure having three dimensions(one extra dimension as)
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A 3d rectangle is called a cuboid and is also considered a rectangular
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I assume you mean a geometric solid of six nonequal sides but with 90 degree angles all around? It is called a right rectangular prism. May be called a brick 8)
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1. Lightly draw a cross  a lower case "t" shape, (a vertical and a horizontal line)  in the center of your paper with a pencil. This is your temporary guide, which you
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