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That's a very broad patent as usual.

https://www.google.com/patents/US20050140678?dq=ininventor:%22Johan+Gielis%22&hl=en&sa=X&ved=0ahUKEwj4y5u5pIPOAhXox4MKHWFmBVwQ6AEITzAH

1. A method for the creation of computer graphics images, comprising:
a) generating at least one shape with a computer based on a parameterized formula;
b) having said computer suggest a plurality of variations of said at least one shape.
2. The method of claim 1, wherein said at least one shape is a two-dimensional shape.
3. The method of claim 1, wherein said at least one shape is a three-dimensional shape.
4. The method of claim 1, wherein said parameterized formula is a representation of the superformula formula.
etc etc.

Software patents suck. I've been in litigation over software before and my company had no choice to buy patents and file their own to get out of trouble even though we did nothing wrong. Whole thing cost tens of millions of dollars and lots of time wasted.