User Guide 
User Guide 
User Guide 
 
 
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The tools in the Create Surfaces tool box are used to place or construct a free-form, helical, or offset surface, and to construct a surface by cross-sections, edges, skin, or by sweeping along two traces.
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To  | 
Select in Create Surfaces tool box  | 
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Construct a B-spline surface that is transformed between section elements, or elements of a network.  | 
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Construct a B-spline surface that contains selected elements as edges.  | 
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Place or construct a free-form B-spline surface.  | 
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Construct a B-spline surface by transforming one element (section) to a second element (section) as it is projected along a linear element (the trace).  | 
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Create a B-spline surface by sweeping one or two section profile curves along two trace curves.  | 
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Create a helical-shaped B-spline surface by sweeping a section profile curve along a pre-defined helix curve.  | 
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Construct a B-spline surface that is offset from another surface.  | 
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Construct a planar B-spline surface with two data points.  | 
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Key-in: DIALOG TOOLBOX 3DFREEFORM [OFF | ON | TOGGLE]