How can I spawn different objects for each environment?

[tesslerc]

I would like to train my controller on diverse objects.
This requires defining a different object for each environment.
As opposed to selecting 1 and then having Scene.build replicate physics across all envs.

Is this possible? if yes, how?

[Cfomodz]

[duburcqa]

This answer is wrong. You CANNOT spawn different objects for each environment.

But this feature is coming soon! #1589