Maurer Roses

r = sin(n⋅θ) describes the rose (white) in polar coordinates with n > 0.
Points on the rose: (sin(n⋅k), k), k = 0, d, 2d, 3d, ..., 360d with the natural number d > 0 (angle in degrees)

Source: https://en.wikipedia.org/wiki/Maurer_rose

You can save the image directly as a PNG, e. g. (.png). If you like you can also create a vector graphic:

Save as SVG (to reduce calculation time just switch off the rose via its stroke-width):

(Can be viewed or downloaded after creation.)

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