Rotate problem

Hello! There is such a problem, for some reason, planes do not rotate uniformly, according to Graph mapper, but by chance? What am I doing wrong?
1.3dm (62.1 KB) (23.2 KB)

The order of lines made by the Lunchbox’s Diamond Grid is different from what you might think.
Try to use Divide Surface instead.

1_re_Divide (27.5 KB)

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Thank! That’s cool!