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Martynas Žiemys
Martynas Žiemys
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You could duplicate one of the objects, use boolean modifier with the other object and apply it. You would get geometry that contains the edge, so only problem left is to select it. You could use ctrl+clicking to select shortest path and this way select all the edges you need, then invert selection with ctrl+i and delete everything else. Once you are left with a mesh object that contains only edges of the intersection edge, you can convert it to curve (Object menu-> Convert To-> Curve)

You could duplicate one of the objects, use boolean modifier with the other object and apply it. You would get geometry that contains the edge, so only problem left is to select it. You could use ctrl+clicking to select shortest path and this way select all the edges you need, then invert selection with ctrl+i and delete everything else.

You could duplicate one of the objects, use boolean modifier with the other object and apply it. You would get geometry that contains the edge, so only problem left is to select it. You could use ctrl+clicking to select shortest path and this way select all the edges you need, then invert selection with ctrl+i and delete everything else. Once you are left with a mesh object that contains only edges of the intersection edge, you can convert it to curve (Object menu-> Convert To-> Curve)

Source Link
Martynas Žiemys
Martynas Žiemys
  • 28k
  • 2
  • 38
  • 81

You could duplicate one of the objects, use boolean modifier with the other object and apply it. You would get geometry that contains the edge, so only problem left is to select it. You could use ctrl+clicking to select shortest path and this way select all the edges you need, then invert selection with ctrl+i and delete everything else.