why the extruded verts not lay down on ground i have made the verts and extruded and added cloth simulation and below a plane ground. Why the verts not lay down on the ground. I have apply passive from physics tab.





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Floor plane needs to be set as Collision, not Rigid Body.

Cloth needs Faces to work, not only verts. You should extrude your vertices by a small amount on Y. (Not to small : below 0.003 I had some strange results)