Here, see how to use the BOUNDARY command to generate closed polyline objects inside enclosed areas to represent 3D walls. Learn how the BOUNDARY command analyzes what is on the screen to determine its output.
- Let's start working on the walls.…I'll isolate the 2D wall layer by clicking on Lay Iso,…and then clicking on one of these walls, and pressing enter.…That isolates just that one layer.…I'll zoom in a little closer to the floor plan here.…Let's go over to the Layer Properties Manager,…and turn on the 3D wall layer, and set it current,…and then change its color from…the default white to let's say, red,…and now we're set up to create new objects on this 3D layer.…
Right now, the walls are separate line objects.…In preparation for a 3D model, ideally,…what you should do is create closed poly lines…that you can later extrude.…The easiest way to do that is to use the boundary command,…of course you could use the poly line command,…and manually trace over each vertex, but that's too tedious.…A better way is to use the boundary command,…which can output poly lines for you,…and the way that this tool works is you click on pick points…and then you pick an internal point within a closed area,…and Autocad will analyze the contents of the screen,…
Author
Released
1/3/2019- Arranging elevations and sections around a plan
- Rotating objects in 3D
- Extruding walls, interior partitions, and headers
- Building slabs
- Modeling doors, windows, and stairs
- Sculpting terrain
- Creating a second floor
- Building roof surfaces
- Sculpting solids from regions and surfaces
- Modeling a tower
Skill Level Intermediate
Duration
Views
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Introduction
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What you should know1m 16s
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1. Clean Up 2D Drawings
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2. Model the Ground Floor
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Navigate in 3D5m 55s
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Rotate objects in 3D3m 40s
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Extrude interior partitions2m 53s
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Model curved headers3m 30s
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Build the slab on grade4m 57s
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3. Model Doors, Windows, and Stairs
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Model doors with glazing7m 56s
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Model a window5m 24s
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Copy window groups2m 26s
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Subobject manipulation5m 59s
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Model stairs from plans5m 3s
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Support the handrail6m 12s
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4. Model Terrain Surfaces
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Sculpt a sloping terrain4m 55s
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5. Model the Second Floor
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Extrude a walkway3m 33s
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Create door headers1m 46s
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6. Complete the Second Floor and Roof
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Build interior partitions3m 47s
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Cut window openings5m 20s
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Create custom windows7m 35s
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Build roof surfaces4m 41s
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7. Model the Tower
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Build the tower walls1m 37s
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Build clerestory windows3m 46s
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Model the tower walls4m 32s
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Shell the tower2m 43s
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Conclusion
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Next steps43s
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Video: Create closed polylines with boundaries