Create a succulent pattern for 3D printing in Grasshopper:

You provide images but it is also good to provide some references and also some work from yourself !
the work you want to copy is from Herschel Shapiro

Here is a discussion on this subject,

You’ll find many many scripts that will help you on this subject (attractor mainly).

Try to focus on the hexagon junction system and a “simple” shape. When you will have solved this, the printing, the polishing, the painting and the assembly I think you could then work on other shapes.