Use the break tool from the Sketcher toolbox to break an individual edge of a Sketcher object into multiple edges. You can break an edge at any intersection between the edge and other sketch, reference, or construction geometry. If you use other sketch geometry to break an edge, ABAQUS/CAE breaks both edges at the intersection point. You can also break an edge at an extended intersection—an intersection that would exist only if another edge in the sketch was extended.
To break edges:
From the modify tools in the Sketcher toolbox, select the break tool 
. For a diagram of the tools in the Sketcher toolbox, see “The Sketcher tools,” Section 19.4.1.
ABAQUS/CAE displays prompts in the prompt area to guide you through the procedure.
Select the edge that you want to break; you can select any sketched or imported edge in ABAQUS/CAE.
Note: If you break a spline curve, ABAQUS/CAE removes the control points to retain the exact shape of the original curve; therefore, you can no longer edit the shape of the curve.
Move the cursor over other edges in the sketch.
As you move the cursor, ABAQUS/CAE highlights the edge that would be selected at the current cursor location. ABAQUS/CAE also circles the break point—the intersection point between the edge to be broken and the edge at the cursor position. If there is more than one possible break point between the selected edges, ABAQUS/CAE circles the point that is closest to the cursor position.
Click to accept the indicated break point.
ABAQUS/CAE breaks the first edge, creating two edges that share the break point as one endpoint. ABAQUS/CAE also breaks the second edge if it is sketch geometry and the break point lies between its endpoints.
Note: If you break a circle or an ellipse, ABAQUS/CAE uses the vertex on the edge as a second break point to create two arcs. If the break point indicated in the previous step is the same as the edge point, a warning appears in the message area and the curve is not broken.
To break more edges, repeat the above steps beginning with Step 2.
When you have finished breaking edges, either
Click mouse button 2 anywhere in the ABAQUS/CAE window, or
Select any other tool in the Sketcher toolbox, or
Click the cancel button 
in the prompt area, or
Click the break tool in the Sketcher toolbox.
