Since you seem at least somewhat into this, do you know if Mudbox or Zbrush works as well?
Yes so long as you can export to obj. If you can't then so long as you can export to something which can be edited by something else which can export it to obj.
Be careful of the poly count though. 30k or so seems to be the limit before mine crashes.
Seems to be eating men until it crashes which suggests there is no software limit implemented yet. This could be used to force other clients to crash if thy do not support the poly-count of your toris "item", which if set free with custom items could ruin the game.
I am not that into how .obj files are written, but could toribash extract the poly-count // could the forum before accepting the item being loaded easily?