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Published byLindsey Clearman Modified over 2 years ago

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Parametric Modeling

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3D Modeling Steps - Sketch Step 1 Sketch Geometry

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Sketch Geometry Line Sketch Tool

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3D Modeling Steps - Constrain Step 1 Sketch Geometry Step 2 Constrain Geometry A. Apply Geometric Constraints

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Geometric Constraints Applied First Geometric Constraint Tools What do you think we do next?

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3D Modeling Steps - Constrain Step 1 Sketch Geometry Step 2 Constrain Geometry A. Apply Geometric Constraints B. Apply Dimension Constraints

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Dimension Constraints Applied Second Dimension Constraint Tool

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The geometry that has been constrained is a profile of an object.

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3D Modeling Steps - Extrude Step 1 Sketch Geometry Step 2 Constrain Geometry A. Apply Geometric Constraints B. Apply Dimension Constraints Step 3 Extrude the Object from the Profile A. Change View to Isometric (Home)

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Profile Changed to Isometric Right mouse click, select Home View or use shortcut key F6 or Click on Home icon by View Cube

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3D Modeling Steps - Extrude Step 1 Sketch Geometry Step 2 Constrain Geometry A. Apply Geometric Constraints B. Apply Dimension Constraints Step 3 Extrude the Object from the Profile A. Change View to Isometric (Home) B. Switch to Features Environment

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Features Environment Select Finish Sketch to switch to Features Environment From this To this

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3D Modeling Steps - Extrude Step 1 Sketch Geometry Step 2 Constrain Geometry A. Apply Geometric Constraints B. Apply Dimension Constraints Step 3 Extrude the Object from the Profile A. Change View to Isometric (Home) B. Switch to Features Environment C. Preview the Extrusion

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Extrusion Parameters Set Extrusion Dialogue Box Select Extrude from Create panel

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3D Modeling Steps - Extrude Step 1 Sketch Geometry Step 2 Constrain Geometry A. Apply Geometric Constraints B. Apply Dimension Constraints Step 3 Extrude the Object from the Profile A. Change View to Isometric (Home) B. Switch to Features Environment C. Preview the Extrusion D. Apply Extrusion

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Profile Extruded Choose color here

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Summary Step 1 Extrude Constrain Geometry Sketch Step 3 Step 2 Steps in Parametric Modeling

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Part 2 Parametric Modeling

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Adding a Feature to a Solid Model Step 1 Add Sketch Plane to surface on which geometry will be sketched

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Create New Sketch Plane Sketch plane selected with left mouse click Sketch Button

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Steps for Adding a Feature Step 1 Add Sketch Plane Step 2 Sketch Geometry

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View Face Sketch Geometry Normal View selected with View Face tool or by clicking on front of View Cube

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Steps for Adding a Feature Step 1 Add Sketch Plane Step 2 Sketch Geometry Step 3 Constrain Geometry

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Constrain Geometry

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Steps for Adding a Feature Step 1 Add Sketch Plane Step 2 Sketch Geometry Step 3 Constrain Geometry Step 4 Create Feature

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Feature Parameters Set Isometric (Home) view selected, Extrusion dialog box set Choose cut operation here

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Feature Created

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Summary Step 1 Create Sketch Plane Constrain Sketch Geometry Step 3 Step 2 Create Feature Step 4 Adding a Feature to a Solid Model

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Lets see it again … …this time we will create a hole feature.

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Rotate Model Dynamic Rotation View Cube Rotate model with Dynamic Rotation tool or View Cube

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Step 1 Create New Sketch Plane

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Step 2 Sketch Geometry This tool used to… …create center point geometry

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Step 3 Constrain

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Step 4 Create Hole Feature Hole Feature selected from Modify panel

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Completed Hole Feature

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Model with Hole Feature Model in Isometric view with hidden edges displayed Hidden Edge Display

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Summary Step 1 Create Sketch Plane Constrain Sketch Geometry Step 3 Step 2 Create Feature Step 4 Adding a Feature to a Solid Model

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Why Parametric Modeling? Determine the shape and size of the geometry at any time during the design process. This part should be 5 in. long, not 3 in. How can we fix this without redrawing it?

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Why Parametric Modeling? Benefits –Shape before size –Geometric and dimension constraints used to capture design intent –All files can be quickly updated –Existing data can be used for new designs –Quick design turn around

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