Group objects are invisible containers for graphics objects. Use group objects to form a collection of objects that can behave as one object in certain respects.
The transform object's
applies a transform to all the object’s children in unison.
Create an object group by parenting objects to a group or transform object.
This example shows how to rotate an object about an arbitrary axis.
This example creates a nested hierarchy of transform objects, which are then transformed in sequence to create a cube from six squares.