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How to Enlarge a Pantograph

Artist and architects have used the pantograph for over four centuries to enlarge drawings. While the copy machine and computer have replaced the pantographs professional function, hobbyists still use the pantograph to enlarge favorite pictures onto canvas, paper or another medium for painting, pencil work or even quilting. Current pantographs will enlarge a picture anywhere from 125 percent up to 10 times its original size. The increments of expansion depend on the manufacturer of your pantograph. Purchase a pantograph at a craft or art supply store or online.

Instructions

    • 1

      Lay the pantograph on the work surface with the points containing the stylus and lead toward you.

    • 2

      Unscrew the bolts in the center joints.

    • 3

      Remove the bolts and set them aside.

    • 4

      Grasp both of the left legs of the pantograph.

    • 5

      Open the legs to enlarge the pantograph to the desired size.

    • 6

      Match the same numbered holes on each leg. For example, if you want to enlarge a picture to 250 percent of its current size, you would align the holes next to 2 1/2.

    • 7

      Reinsert one of the bolts through the desired hole and tighten. When tightening, ensure that the bolt is secure, but the legs can still move freely.

    • 8

      Repeat steps 4 through 7 for the right set of legs.

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