Hi

How do I create (distributed, rotated, perhaps scaled) clones of an object that simultaneously change when the original object is edited?

Simple example: I have to design two identical objects that fit together like ying&yang. Every change to one of them has to have an live-effect on the clone so that the result can be seen live.

Or something like a kaleidoscope: identical objects distributed in a circle, which stay always the same when a single one (or an external master) is edited.

Greetings

TheJJJ