Create Structural columns from AutoCAD

[HaniTartour]

Greetings ,
I want to share my experience for how to create revit columns from already existing AutoCAD file
and how to adjust the rotation of new revit columns to match the same orientation and rotation of the original cad file

reference topic

How to get the right direction of columns from AutoCAD file

Hello guys, I want to insert columns over the following polycurves: [1] I can get the right dimensions of the polycurve, but the problem is getting the right direction to insert the columns. As you can see below, some columns are inserted in the wrong direction. I’ve tried many things to get the right direction but I couldn’t solve it. Does anybody have any idea how I could get the right direction? [2] Here is my graph and the AutoCAD file: 3 - BuildingColumns-CAD.dyn (107.8 KB) Columns.dw…

kindly , check the attached shots for the detailed steps and rules
thanks to all