I want to extrude a curve in two directions.
Or join both curves into one, is it possible? I've tried copying it and then join segments, but I don't see Remove Doubles option while working with curves.
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There is the Split option in the Curve menu that's available in Edit mode. I believe it just joins another curve to the current one, though. – Anthony Forwood Jul 06 '16 at 04:25
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Not supported in Blender, curve vertex must always belong to a maximum of two segments.
Either use a mesh object with a Skin modifier instead, if you require true 'branching' and a continuous mesh surface.
Or if you prefer curve objects duplicate a vertex in place, leave it overlapping the original one, and then extrude the new one; if you don't mind the discontinuity in the mesh.
You can just directly select any middle vertex and extrude it twice with E, the first extrude will duplicate the vertex automatically Right-Click to cancel and the second extrude will start a new branch.
Duarte Farrajota Ramos
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I have posted a question maybe similar to this answer. A pop box arise before extruding and the new extruded curve is that connected to the old or we have to connected and how. http://blender.stackexchange.com/questions/77375/how-to-make-branch-from-bezier-curve – atek Apr 09 '17 at 04:27
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It is not connected to the previous branch, that is not supported in Blender – Duarte Farrajota Ramos Apr 09 '17 at 05:20
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