RBX.lua.BlockMesh (Object)
From Legacy Roblox Wiki
A BlockMesh is simply what the name suggests - a simple mesh for a block. Much like it's identical object, CylindarMesh, it can only be used for blocks.
Functions
The BlockMesh only incorporates the global functions.
Properties
In addition to the global properties, the BlockMesh also has these:
Events
The BlockMesh only incorporates the global events.