Join Scott Onstott for an in-depth discussion in this video Revolving, extruding, and subtracting objects, part of AutoCAD: 3D Surface Model Design.
- Our next project is to build the transmission…that's on the rear axle, that's this red thing here.…It has holes in these two flanges.…There's a flange here and there's a flange down below.…These holes accommodate the spokes.…You can see that representation over here in plan,…it's this red circle which represents…the entire transmission, and then there are holes.…The spokes on the top flange go through…every other hole on the top flange.…Then, on the bottom flange, you're going to have…these spokes going through it.…
So let's go ahead and copy this plan representation,…which includes the circle and the array of small circles.…Let's copy it over to the left,…making sure that ortho is on.…Let's copy it 500 units over so that…it lines up with this section drawing.…Now let's go ahead and isolate the layer…so we can focus on the task at hand.…Let's create a new layer to accommodate the 3D object.…
3D-Transmission,…turn it on, set it current,…give it a color other than red, let's make it green.…LAYc for Layer Current,…
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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Welcome42s
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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: Revolving, extruding, and subtracting objects