Ah, apologies to Ockham. 

@lesbentley - Actually, I hadn't even tried this process with props.  I've been using it for body parts, seeking an alternative to using geom switching.  

{
version
 {
 number 5
 }
actor hip:1
 {
 storageOffset 0 0 0
 objFileGeom 0 0 :Runtime:Geometries:Cagedrei:Vicky:femina_high3.obj
 }
}

---

{
version
 {
 number 5
 }
figureResFile :Runtime:Geometries:ZygotePeople:blMilWom.obj
actor hip:1
 {
 storageOffset 0 0 0
 geomHandlerGeom 13 hip
 }
}

The upper pose inserts a genswap hip.  The lower pose restores the original.  Using the same trick to try to alter the buttocks locks up Poser.  I've only managed to get this to work with one actor at a time.  And the restoration pose seems to confuse Poser about the cached geometry referenced in the figureResFile line.  After applying such a pose, a figure which loads that geometry will load only the part present in the restoration pose, even with a fresh Poser document applied.  (One wonders if adding an empty figure section might remedy any of the troubles....)

So there are complications to the approach.  I just wondered if you'd ever tinkered with the idea for figures.

===========================sigline======================================================

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.