I hope someone can help since I am still a beginner. After creating a series of curves in grasshopper and lofting them, I am facing the issue of the polysurface being open instead of closed. In the edge analysis I see that I have a few naked edges which I do not know how to fix. I assume this could be the cause of the polysurface being open rather than closed? I need it to be closed in order for a waffle script to work for laser cutting. Any help is much appreciated.