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- Figure 1
- 1. Import surfaces and extract bondary lines
- File → Import → IGES File
- open block.igs
- go to Page 7: Surface
- select
BD. line (see Figure 1) - click All Vis in the bottom panel (gen select panel)
- click Apply
- select Blank
- click Blank All
- use Ctrl + left mouse to rotate the model (see Figure 2)
- for an animation of these steps, Click Here (launches pop-up window)
- or to download this animation, Click Here
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- Figure 2
