Wow, that is actually very smart... And I am stupid, because I made a drumm rig even adding the insides... Oh boy gotta change that (440 shapes) damn I should have know that that was stupid, well big respect to you!

LOL, why would you do that? well, actually maximum detail also important (depends on whats your style).

Save the model in different versions can help, like "v1.0 with interior", "v1.1 without interior", etc.

My beloved...