Quote - Cage:

After more scrutiny of the Wiki Manual I found Shrinkwrap Modifier:

http://wiki.blender.org/index.php/Doc:Manual/Modifiers/Deform/Shrinkwrap

I had edited my above post, but you saw it before I could save the edit.

Aha!  There is shrinkwrap, as well.  I think what we need is the Retopo functions (from the Blender Retopo link provided above):

Quote - There are three ways to use retopo: - Retopo paint, where you paint lines on the mesh and painted intersections become vertex locations.

• Creating new mesh via standard mesh editing methods (the new vertices will “stick” to the reference object’s surface).
• Projecting an existing mesh onto the object.

We would want the third one.  There is (or was, 18 months or so ago) a tutorial somewhere.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.