Using this tab of the properties dialog box, you can move or rotate the beam relative to the insertion axis.
Offset
By default, the profile insertion axis is in the gravity center. With these radio buttons you can quickly move the beam to another position (e.g. top edge flush). The insertion axis is not moved but the beam changes its position. This means that for a position flush with the top edge, the insertion axis will be in the upper side of the beam and the beam will move downwards.
Example:
For beams with not symmetrical section (L, Channels, etc.), a button allows you to position the insertion axis in the gravity center.
X, Y
Define the offset in the X and Y directions. The beam is moved relative to the insertion axis by the defined distances. The insertion axis position does not change, only the beam is moved. The values apply to the beam's current position.
Angle
The radio buttons allow you to rotate the section around the insertion axis by predefined angles.
Mirror
Mirrors the section around the vertical main axis.