Or you should be able to import your figure into Poser as .obj with the "invert normals" box checked, then export it. After exporting, run it through Compose. (If you have created the figure using the Hierarchy Editor, and have no base .obj in Geometries, ignore this advice.)

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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.