Completing the Sketch

  1. Click Tangent Arc on the Sketch tab, or right-click in the graphics area and select Tangent Arc. Create a tangent arc as shown. Then press Esc to deselect the tool.
  2. Hold down Ctrl, and select the centerline, both horizontal lines, and the tangent arc.
  3. Click Mirror Entities on the Sketch tab.

    The sketch entities are mirrored across the centerline.

  4. Dimension the oblong as shown.

    The sketch is fully defined.