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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
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