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Conic section compass 3

Drawing hyperbolas according to US Patent 5870830.

The violet axis is perpendicular to the plane of paper.

The orange axis is parallel to the plane of paper.

To adjust angles θ for each hyperbola.

- θ: angle between the orange axis and the green arm.

The green arm rotates around the orange axis to create a cone.

Its intersection curve with the plane of paper is a hyperbola.

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