Torus ribbon / 16

Longitudinal torus spiral

Geometry

One open band runs lengthwise around the torus, gradually descending from its top to its bottom along the outer surface. The end sections taper so both endpoints sit exactly on the top and bottom circles.

u(t) = 2πNt, v(t) = π/2 − πt, 0 ≤ t ≤ 1

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Shape & appearance

Longitudinal laps N Band coverage View angle Band edge width Base colour Auto-sweep first slider

Saved PNGs

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