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Math Models+: Logarithmic Spiral Galaxy — image 1

Math Models+: Logarithmic Spiral Galaxy

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A decoration and math learning tool made from the graph of the mathematical relation 0.1(x+tan(7ln(√(x²+y²)))*y)²+z²=1.

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Model information

License
Creative Commons — Public Domain

Do you want to have a galaxy on your table? Try this decoration. The shape of this model is a so called logarithmic spiral, which is the shape that spiral galaxies have.

The formula of this shape is 0.1(x+tan(7ln(√(x²+y²)))*y)²+z²=1 for x and y from -10 to 10 and for z from 0 to 1.

The bgcode file is for printing the model out of PLA.