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  • $\begingroup$ This may involve creating joints at the ends of your curves.. are your junctions always rectilinear? $\endgroup$
    – Robin Betts ♦
    Commented Jun 6 at 6:33
  • $\begingroup$ As @RobinBetts says, this would need more work. The problem is, a curve cannot branch, i.e. not split in two or more directions from a control point. That's why the corners are disconnected (actually, the horizontal ones in tthe center are not all connected either, it is just not so obvious. Joining those points could only be done with vertices of a mesh, but than you cannot use the Curve to Mesh node to give them a profile. If your corners were always orthogonal like in the exmaple, you could for example instance cubes there to fill the gaps. $\endgroup$
    – Gordon Brinkmann
    Commented Jun 6 at 11:03
  • $\begingroup$ Could this approach suite your need : How can I create a procedural "vent" mesh? ? (using just the inner tube) $\endgroup$
    – StefLAncien
    Commented Jun 6 at 11:06
  • $\begingroup$ @RobinBetts they'll always be rectilinear. Thank you guys, i'm still learning geometry nodes. $\endgroup$
    – Felipe Balmant
    Commented Jun 6 at 14:47