Create a extruded beam on the current layer.
Select creation method at the command prompt:
Center Start End : Create a beam arc by center point , start point and end point
Start End On : Create a beam arc by start point, end point and a point on the arc
Start On End : Create a beam arc by start point, point on the arc and end point
Start End Direction : Create a beam arc by start point, end point and initial tangent vector
Once inserted the beam orientation can be modified by rotating one of the handles
that compare when we select the column.