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This task shows you how to create the main basic shape of
the chair first using a subdivision surface, in our case a sphere.
A subdivision surface is a skin made of an elementary surface that can be
closed or open. The definition and the control of the shape is done using a
mesh that is made of four-sided faces. |
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A .CATPart document must be open. |
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Click Sphere
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The surface (identified as Subdivision Surface.x) is
added to the specification tree. |
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It is displayed at the center of the screen and
its size is a ratio of the window size. |
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Click Faces Cutting
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Select the surface to be cut.
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Click Modificqtion
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A Tools Palette is displayed. |
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Click Translation
and Face Selection
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Translate the surface down along the Z axis.
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Click Vertex Selection
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Select the two vertices by pressing Ctrl (see
picture below),
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Translate the surface up along the Z axis.
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Perform the same operation with two other vertices:
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