2) AM = PN = ON = MQ = MD = sqrt(2)*(OA)

3) BP = 2(OA)

Use of point X to define conditional intersection-point of two circles (choosing the one which is nearest to X).

Press CTRL+1 to activate the selection-tool and then click on the green button to start the

movement.

All pieces remain fixed in length. The motor drives AM and the mechanism transforms the rotational movement of M, to straight-line movement of the points Q and D. The points of the line DQ describe ellipses (you can see it by attaching pens to them).

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