Thingiverse
Sand castle build with math function
by JohanLink
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First I use this formula to obtain my sand castle: z = cos(x)1.5 * cos(y)1.5.
Then, I searched a way to increase the central peak. I finally found the following formula: z = -(cos(x)*cos(y)*(-2(e^(-1/4(x^2+y^2)))-2))
Then, I searched a way to increase the central peak. I finally found the following formula: z = -(cos(x)*cos(y)*(-2(e^(-1/4(x^2+y^2)))-2))
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