If regarding Sculpted Prims all you need is to create objects with some sort of Lathe tool (like in 3DS Max), then Rokuro might be for you. It was created by Yuzuru Jewell and takes some profile of an object in order to create the full object by rotating that profile by 360 degrees. You can even define if you want a smooth objects or 3, 4, 5 or 6 edges.
Here’s an example screenshot of the editor:
And here is the resulting texture it creates when doing a 5 edge object:
And the resulting prims (one was done as smooth object, one as 5-edge):
Get this cool tool here.
[via Eggy Lippmann]