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© Copyright 2003, Jim Loy
Here is a linkage which draws a complicated curve (green). And the pantograph is the purple linkage which duplicates the same curve, at double the size (yellow). A pantograph can draw other ratios besides 2/1, by adjusting some of the lengths.
The above Java animation was created with Cinderella (a geometry program).
Return to my Cinderella pages
Return to my Mathematics pages
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