The Mirror Entities tool creates a mirror image of objects. You can create symmetrical sketches using this tool.
- Create a horizontal centerline passing through the origin.

- On the Command Manager, click Sketch > Mirror Entities
.
- Drag a selection box covering all the sketch entities.
- On the PropertyManager, click in the Mirror about box and select the centerline passing through the origin.
- Click OK to mirror the selected entities.
- On the CommandManager, click Sketch > Arc drop-down > Tangent Arc
.
- Select the start point of the arc as shown below.
- Move the pointer and select the end point of the arc, as shown below.


- Click OK on the PropertyManager.