8

982 Appendix B: Troubleshooting 3ds Max
want to subtr act the two outer rectang les from the
central rectangle. You also forgot to turn off Start
New Shape.
1. Start by selecting the central rectangle.
2. Right-click and choose Convert To > Convert
to Editable Spline from the quad menu.
The Modify panel automat ically opens.
3. In the Geometry rollout, click the Attach button
and pick the two outer rectangles.
Now, you’ve got a single shape made up of three
sub-object splines.
4. Turn off Attach and scroll up to the Selection
rollout.
5. Turnonthesub-objectSplinemode,and
select the central rectangle.
6. Scroll down the Geometry rollout and
click the Boolean button. Also click the
Subtractionbuttontotheright.
7. Pick the two outer rectangles.