Very Excellent One, The Problem Is How Do We Complete This In Rhino 5, Because Rhino 7 Is Not Available In Market, It Comes With High Premium The Dealers Are Charging Exorbitant Fees. For This. Can You Help On This & Guide The Same.
SubD only available for Rhino 7. For the older rhino version, you can try to find T-Spline plugin if they are still available. The plugin use to be free for older Rhino version from Autodesk.