How to make these kind of 3d Curves

[Rosh]

How to make these kind of 3 curves in grasshopper

bit challenge

[anon39580149]

Check this website there is a similar thing

http://www.co-de-it.com/wordpress/code/grasshopper-code

[Rosh]

Problem with achieving this type result as above mentioned @anon39580149

[Michael_Pryor (ekim)]

And what have you tried, show us your attempt so we can see your problem.