Rounding in a Model Sketch
You can add the rounding to the corner of the two straight lines. The rounding also involves a radius dimension and a tangential constraint.

Add rounding as follows:
- Select one or more corner points.
- Select the context-sensitive function  Round. Round.
- Enter the radius value in the dialog box. You can also change the radius value before accepting it.
- Click OK.
Note: 
  - Select the toolbar function  Round, and select the single or several corner points. Round, and select the single or several corner points.
- Edit the radius value by selecting the radius dimension and the context-sensitive function Constraints> Edit.

