Maya Streamlined Symmetry Script

QuickSymm.mel is a script that allows the user to quickly create and break instance duplicates for any object within the Maya workspace.
It allows for quick instance duplicates as well as mirrored instances without having to access and modify Maya's default Duplicate Special option box.
The script allows for fast Radial Symmetry, automatically offsetting the new duplicates along the proper angle to create uniform radial symmetry.

Script Commands include:

Create Instance Duplicate
Break Instance
Convert an object to be an instance of a source object
Mirrored Instance Duplicate along the X Axis
Mirrored Instance Duplicate along the Y Axis
Mirrored Instance Duplicate along the Z Axis
Radial Instance Duplicates along the X Axis
Radial Instance Duplicates along the Y Axis
Radial Instance Duplicates along the Z Axis
Multi-axis Mirroring
Instance Chaining
Interactive Instance Chaining