6.0

Creating Derived Surfaces | 563
To blend augmented lines
1 Use
AMBLEND to create a surface from two augmented lines, responding to
the prompts.
Desktop Menu Surface ➤ Create Surface ➤ Blend
Select first wire: Select line (1)
Select second wire: Select line (2)
Select third wire [Weights]: Press
ENTER
2 Use ZOOM to redisplay wireframes. Then select the second set of lines.
3 Create a surface from the second set of augmented lines, responding to the
prompts.
Desktop Menu Surface ➤ Create Surface ➤ Blend
Select first wire: Select augmented line (1)
Select second wire: Select augmented line (2)
Select third wire [Weights]: Press
ENTER
Compare these two surfaces to see how the direction of the augmented line
vectors affects the resulting surface.
4 Use the Extents option of
ZOOM to redisplay all of the wireframes and select
the object for the next exercise.
Offset Surfaces
An offset surface is a duplicate of an existing surface, offset by a specific dis-
tance. When you create an offset surface, you can keep the original or remove
it, as needed.
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