You can create line segments in the sketch editor by picking points. Tekla Structures automatically creates coincident constraints between the line segments and shows a chamfer symbol where line segments meet.

1. Open a Tekla Structures model.
2. On the File menu, click Editors > Define cross section in sketch editor.
   Tekla Structures opens the sketch editor, the Sketch Browser, and the Variables dialog.
3. Click the Sketch polyline button: .
4. Pick points to create each line segment.
5. Click the middle mouse button to create the polyline.

   

You can create an arc in the sketch editor by picking three points.

1. Open a Tekla Structures model.
2. On the File menu, click Editors > Define cross section in sketch editor.
   Tekla Structures opens the sketch editor, the Sketch Browser, and the Variables dialog.
3. Click the Sketch arc button: .
4. Pick three points to define the arc.

   

   Tip:

   You can use the advanced option XS_​CS_​CHAMFER_​DIVIDE_​ANGLE to define the smoothness of the arc.

You can create a circle in the sketch editor by picking two points.

1. Open a Tekla Structures model.
2. On the File menu, click Editors > Define cross section in sketch editor.
   Tekla Structures opens the sketch editor, the Sketch Browser, and the Variables dialog.
3. Click the Sketch circle button: .
4. Pick a point to indicate the center of the circle (1).
5. Pick a point to indicate the radius of the circle (2).