8

CrossSection Modifier 603
8. On the Modify panel, on the Modifiers List,
choose Surface to add the Surface modifier.
The spline cylinder is tr ansformed into a patch
surface by the Surface modifier.
9. To edit the model’s surface, change the splines
using controls in the Edit Spline modifier. Or,
since the output of the Surface modifier is a
patch surface, add an Edit Patch modifier and
use patch edit controls to change the surface.
An Edit Patch m odifier above the Surface m o difier was
used to create the image.
Ex ample: Usi ng the CrossS ection modi fi er to ski n
sev er a l s pl i nes wi th di f fe r ent s ha pe s:
1.
OntheCreatepanel,clickShapes.
2. OntheObjectTyperollout,turnonStartNew
Shape, then click NGon.
3. IntheTopviewport,createtwofive-sided
circular NGons.
4. OntheCreatepanel,withShapes
still active, click Line. Create two lines,
each with four vertices. Create the vertices
left-to-right.