i have line and curve. When i choose point in curve and click on line (pic1) then curve be copied and rotate perpendicular with line (pic 2). Can we do that?
Pic1
Pic2
Pic1
Pic2
Hello - you can use Orient3Pt, more likely. with OSnaps to do this.
This one is easy because the line is ‘ortho’ - if it is not you can use the ‘elevetaor mode’ to get the vertical point in the same view as you start.
-Pascal
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OrientOnCrv might do what you want with the Perpendicular options - depending on how the original is drawn…
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Thank you! I want run it by python script 
do you have example?
Hello - in that case I guess you’ll need to define two planes and use a Rhino.Geometry.Transform.PlaneToPlane().
Please post scripting questions in the scripting category:
https://discourse.mcneel.com/c/scripting
-Pascal
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