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Parametric Sketching Motivation Solid primitives not typically supported in parametric modelers must create a 2D profile, then sweep Feature Creation Procedure 1. Choose sketch plane, either a: Default work plane Planar face of existing feature Work plane 1. Rough sketch Some geometric constraints applied 1. Add/delete geometric constraints 2. Parametric dimensioning 3. Feature creation 4. Repeat 1 ­ 5 Construction Geometry Geometry created as part of the parametric modeling process that does not represent actual part geometry. Includes: Work planes Work axes Work points Construction geometry appears in feature tree Default Construction Geometry: Inventor Work planes – mutually perpendicular YZ XZ XY Work Axes X (red) Y (green) Z (blue) Work Point Origin of WCS ... - tailieumienphi.vn
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