Join Scott Onstott for an in-depth discussion in this video Filleting edges and arraying sprocket components, part of AutoCAD: 3D Surface Model Design (2014).
- Let's build the sprocket right here, this object.…It carries the belt.…You can see that it has teeth that interface with the belt…where the belt has these minima in its curves.…Let's go ahead and copy this plan drawing over to the side.…500 milimeters, so that it matches up…with the cross-section diagrams over here.…To minimize the complexity of what…we see onscreen, let's isolate the layer.…Use Lay-Iso, and click on the sprocket.…
Now we have a plan drawing and an elevation drawing.…And we also have some profiles over here,…which is going to make creating this much easier.…Let's move these profiles over…and attach them to the center of the sprocket.…Now we need to rotate them.…The rotate command rotates objects around the z axis.…I'm going to rotate the coordinate system with that in mind.…I'll type UCS, y, enter, enter.…Now the z axis, shown in blue,…is in the correct orientation.…
Use rotate, and rotate the previous selection set.…So type P at the "select objects"…prompt, to select those three items.…Press enter.…
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: Filleting edges and arraying sprocket components