You can create 3D sketch entities on a working plane, or at any arbitrary point in 3D space.
- Do one of the following:
- Click 3D Sketch   (Sketch toolbar) or  to open a 3D sketch on the Front plane in Isometric view. (Sketch toolbar) or  to open a 3D sketch on the Front plane in Isometric view.
- Select a plane and then click 3D Sketch on Plane   (Sketch toolbar) or  to add a 3D sketch in Normal to view. (Sketch toolbar) or  to add a 3D sketch in Normal to view.