Or bake the loft surface to Rhino, and reference it back to Grasshopper (but this is not convenient). Any other solutions? Many thanks... Reply by David Rutten on November 23, 2010 at 5:19pm Well, if the Rhino Loft command creates a polysurface then there's very little I can do....
1. One of your continuous closed air volumes has an overlapping edge that is causing it to not read as a solid. Bake the closedAirVolumes output and do a DupBorder command on the polysurface to see the buggy edge. Rhino's solid operations are buggy. Hopefully McNeel fix this one soon. ...