Chebyshev Linkage Wheel2

This apparatus is a Hexagon (= 6 edges) wheel made by [b]Chebyshev Linkage[/b] (approximate straight-line mechanism).[br][br]In figure, the solid-line bars are components of this apparatus. The dashed-lines are explanatory lines.[br][br]Aqua-colored big bullet ◯ E is a axis of this wheel.
■ Please change the ratio of bars for more economic resource.

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