About Using Sketcher to Create a Feature Section
When you create features, often you must sketch sections to define the feature geometry. Sketch only what is necessary. If you do not want to create a new surface, do not sketch a line in the section, and leave the section open. If there is a problem intersecting the feature with the part, you must close the section. When sketching on the model, you use the same tools as standalone Sketcher, plus additional techniques.
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• In Piping, you can use the centerlines of pipe segments as references in the 3-D Sketcher just as you use curves in the following descriptions.
• You cannot import any IGES features into Sketcher environment.
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