Why constructed plane is null

Not sure why the consturcted plane is null, seems very simple ghq_Why constructed plan is null.gh (8.3 KB)

Check the difference. If you don’t provide the Y-Axis vector, your X and Y Axises are identical, that’s why the Null plane…


Hello @HS_Kim ,

I think I have a similar problem. If I don’t connect the Y value I get null values for the top curve. The workaround I tried to imply didn’t do the trick unfortunately. I can’t think of a solution. Any help is appreciated!

x_plane.gh (16.4 KB)

you just have to use another cross vector of X plane direction with World Z vector, so you will have a perpendicular vector to feed in Y plane vector.

x_plane.gh (13.3 KB)

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Thank you very much Laurent!