nooby: how to align a mesh plane through 3 vertices?

[oni]

Aligning on one vertex using a constraint (copy location) and on a second vertex using another constraint (track to), i cannot use a third constraint (e.g. track to a third vertex)... But a plane does has this third degree of freedom which i cannot use here...
I also do only know the 3d-coordinates of the 3 vertices. Can i define a mesh plane by using these coordinates without calculating the plane normal by myself?
any help is appreciated!

thank you in advance!

oni

[madcello]

I dont know the solution in one time, but you can use the Track To to align one axis (X) apply that modifier, than use the Track To again to align the other axis (Y). Or use 2 modifiers, one in X and another in Y.

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