If sculpt layers can be grouped. A GROUP MANAGER allows to use the groups as layers. VoxTree / GroupTree Can work together A new windows popup with all Groups entry: For each group will appear the toggle buttons for object visibility, selectability and ghost mode. That way you can quickly organize your project like in a layer manager, navigate through it, and protect entire groups from selectability.
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Im just taking/quoting Raul's proposal http://farsthary.wordpress.com/2009/08/14/new-proposal-asset-management/ and opening the brainstorm to implement a similar option inside 3DC
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0001587: A Group Manager to allow to use the groups as layers.
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