Setting multiple rhino group objects as input

[s.wac]

@kodmasin

I have to select each part boundary curve separately and then once more each part

You can extract outline / boundary curve of group like below:

Like in this thread:

Nesting / packing groups of curves

Like this: [image] No need for any c#, just use the Transform output of the Nest component. nesting_group.gh (24.9 KB)