Direction on multi surfaces

Do you have any trick to set the same direction on multiple surfaces? So far I use Dir command but it takes so long time.

Are these planar or nearly-planar surfaces? The following scripts might help:

Planar surfaces only: (1.3 KB)

Planar or non-planar surfaces: (1.9 KB)
(results may be unpredictable if the surfaces are highly curved)

Both of these are current view (face the camera) dependent. I also have world-aligned scripts that are view-independent if you need.

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Thanks a lot. It looks that you have a script for every occasion :slight_smile:
Have a nice day!!!