LlGetLinkNumberOfSides
From Open Metaverse Wiki
Opensimulator: Content Creators: Scripts: Functions: llGetLinkNumberOfSides
LSL Portal documentation: https://wiki.secondlife.com/wiki/LlGetLinkNumberOfSides
This function will always return the value 8 for meshes uploaded with older versions of opensimulator due to an error in the original opensim mesh format. The bug was corrected in OpenSimulator 0.9.1.0 or 0.9.1.1.
More information: http://opensimulator.org/mantis/view.php?id=9035