Im trying to find the 3d layers in zbursh 
any ideas. Also I have zbrush 4
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Im trying to find the 3d layers in zbursh 
any ideas. Also I have zbrush 4

You’ve got them, they just display differently in different versions.
I dont have the make 3d option. Where I can make seperate subtool out of the layer.
That function has been removed. You can produce the same result by masking the area you want to extract and using the extract button in the subtool menu.
is it on any other version? its better than masking.