- The last object that we need to model…in this entire project is the seat.…Let's create a new layer called 3D seat.…Turn it on, set it current, and give it a color.…This time, I'll choose magenta.…We have two different drawings of the seat.…The plan view here, which is broken…into two pieces, and the elevation.…You can see that better if I orbit.…These are both planar sketches.…I'm going to convert the plan drawing into a surface.…
Type j for join and join these two splines together,…making a closed loop.…Then choose surface, planar.…Press the down arrow to access the object option.…Select this object and press enter.…So now we have the seat surface.…In order to shape the seat, we're going to…convert it into NURBS.…So let's choose convert to NURBS right here.…NURBS stands for non-uniform rational basis spline.…
And it's a kind of math.…This mathematical representation…gives us different editing capabilities.…I'm going to convert this surface into NURBS.…It looks the same though.…They are very subtle differences.…
Author
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: Rebuilding a NURBS surface to optimize its control vertices (CVs)