You can create a manipulator to use in your part and assembly documents.
Typically to create a manipulator:
Create the handler interface, ISwManipulatorHandler2,
which your add-in application must implement. Your add-in application:
Create the IManipulator
object using IModelViewManager::CreateManipulator.
Use the IManipulator methods and properties to:
Customize the size and appearance of the specific
manipulator using the specific manipulator's methods and properties.