Placeholder for editing info
UVs - Scripts - Align to Sculpt Map will align the selected faces to every 2nd pixel on the image.
In the UV/Image Editor you can select "UVs - Scripts - Scale to Bounds" to make the UV layout from 0.0 to 1.0 on both U and V.
After baking your sculpt mesh. You can get a multires preview by going to Image - Import as Sculptie in the UV/Image Editor.
While editing a sculpt mesh, you can store an undo point by baking the sculpt map. You can then reset the sculpt mesh vertices to the baked position by going to edit mode, selecting the sculpt mesh you want to reset and using Object - Scripts - Reset Sculpt Mesh.
This is also useful when you have a number of primitives based on the same sculpt map. After baking the primary sculpt mesh, do Object - Scripts - Reset Sculpt Mesh on the others to update their display in Blender.

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| reset_sculpt_mesh.png | 10.15 KB |
In Object select - "Object - Scripts - Sculptify Objects" to convert Blender objects to sculpt meshes. This feature does have limits and works best with curves, nurbs and meshes designed to be sculptified.
This is the fallback method for unwrapping when the mesh includes triangular faces. You can also use it from Blender's unwrap menu in edit mode by pressing the U key and selecting "EAC from View".
Sometimes, it can be useful to set a sculpt mesh from an existing sculpt map. You can do this in edit mode with the Mesh - Scripts - Update from Sculpie option. This will open a file dialog where you can select a sculpt map image file and this will be used to set the vertex positions of the mesh.

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| update_from_sculptie.png | 9.13 KB |