1.If the diagram is in a document or a worksheet, double-click on the diagram to open it.
2.Double-click on the curve that you would like to project.
3D Diagram with Space Curve:
3.In the dialog box that appears, click on the Projections tab.
4.Select the planes on which you would like to project the space curve.
5.Set the appearance of the projection lines in the associated line attribute fields.
3D Diagram with Surface:
3.In the dialog box that appears, click on the Fill tab.
4.Under Projections select the planes on which you would like to project the surface.
3D Diagram with Grid:
3.In the dialog box that appears, click on the Grid Lines tab.
4.In the Projection on field, select the planes on which you would like to project the grid.