Given a triangle, the Fermat Toricelli point is the intersection of lines joining the triangle's vertices with equilateral triangles drawn on the opposite sides.

If all angles of the triangle are less than 120 degrees, this mechanical device can find the point.

Why?

String length | ||||

5.5832195 | 0 | 22.332878 | ||

friction | ||||

0 | 0 | 5 | ||

Simulation Speed | ||||

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