Graphics Programs Reference
In-Depth Information
6. Cut a couple of holes in the main cylinders. Cut at
the top two isoparms on the sides of the larger cylin-
der first, as shown in Figure 5.25. To select the first
isoparm, right-click the cylinder, choose Isoparm
from the marking menu, and click the isoparm to
select it. Next, Shift+click the isoparm on the other
side so that both are selected.
7. In the Surfaces menu set, choose Edit NURBS
➔
Detach Surfaces. The surface between the isoparms
you just selected is now its own surface and can be
deleted. This gives your first cut, as shown in Figure 5.26.
8. Use the same procedure to cut the smaller cylinder, but at the sides so you can
remove the bottom half. Select the isoparms on the sides of the smaller cylinder, and
detach the surface by choosing Edit NURBS
➔
Detach Surfaces again. Delete the bot-
tom surface. Now your model should look like Figure 5.27.
Select
Figure 5.25
Select these
isoparms to cut the
top of the cylinder.
Figure 5.26
Cutting the
cylinder's top
Figure 5.27
The cut cylinders
