Join Scott Onstott for an in-depth discussion in this video Modeling a surface by moving its CVs in multiple viewports, part of AutoCAD: 3D Surface Model Design.
- Select Show CV and then click on the seat and press enter.…Hold down the control key and make a window selection…around these two rows of CVs.…They turn red to indicate that they're hot, or selected.…Make another selection down here…while you're still holding down the control key.…You can select the CVs in those four rows.…I'm going to come over here and orbit around…and then position the cursor over the green axis here.…
Click and move it down.…You see what's happening.…Change the shape of the seat.…Press escape to deselect.…Hold down control and select…all of the CVs in this central row,…click in this viewport and move them up.…This is creating a curvature or fold in the seat.…Maybe we can see that better over here.…Press escape to deselect.…I'll hold down the control key and select all of these.…Then I'll pull them down.…
Press escape to deselect.…Hold down control and select all of these CVs.…Pull them back, escape.…This is really a subjective process…and the results that you get…will certainly be different than mine,…
Author
Scott Onstott
Released
11/11/2014- Creating layers for 3D modeling
- Extracting isolines
- Trimming and extending surfaces
- Extruding 2D curves into 3D surfaces
- Lofting cross sections
- Converting solids into surfaces
- Sculpting watertight surfaces into solids
- Sweeping and sculpting
- Revolving boundaries to create surfaces
- Welding objects together with Fillet Edge
- Rebuilding NURBS surfaces
- Offsetting a surface
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome46s
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1. Modeling a Bicycle Frame
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Extracting isolines4m 10s
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Drawing a profile6m 6s
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Trimming surfaces4m 42s
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Revolving profiles3m 8s
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Lofting with the Path option2m 45s
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2. Creating the Belt-Tensioning Mechanism
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Extruding a region2m 32s
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Modeling fasteners5m 30s
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3. Building the Drivetrain Components
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Using Booleans on 2D regions4m 35s
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4. Modeling the Rear Brakes
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5. Creating the Rear Wheel
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Sweeping and sculpting6m 29s
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6. Making the Power Components
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Smoothing a mesh object4m 13s
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Tilting up extruded objects4m 30s
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7. Modeling the Front End
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8. Creating the Handlebars
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9. Making the Seat
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Conclusion
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Next steps15s
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Video: Modeling a surface by moving its CVs in multiple viewports