CIVIL 3D - rotate group of points perpendicular to polyline/alignment

Hola amiga @karol_urb como estas? Welcome, if you are working in C3D there are 3 very interesting packages that you should download to help you in your work, Civil3DToolkit, Camber and Arkance Systems, here is an image that may help you and a link to a similar problem, try to search for topics similar to your problem, usually there is already a solution or you find more efficient alternatives to your workflow. :wink: