Quote - Cage: I'm afraid you may be right about the collar scaling. I should have known this earlier on. I don't think I have the energy at this point to experiment with new axis orders, but if someone sets this up in a way that will not require too many changes in the existing JCMs, I may still include it in the "official" version of Antonia.

If you look at the "bulky" pose I made (under Poses -> Antonia -> ScalingPoses, I think), you'll see how I worked around that issue: instead of scaling the chest and collars up in x and z, I scaled the whole figure up uniformly and then scaled everything down in the y direction. Not too elegant, but it worked.

I really don't think it's a problem at all.  Scaling the full body is usually a better method, aside from the head, which needs to scale to account for height, and you've covered that well.  The only reason I'm on about the matter is that I tried the old P4 Figure Height functions with Antonia, and she handled remarkably well, considering that the feature isn't meant to work with post-P4 figures.  If the collars handled as well as the other body parts, Antonia might be the only recent Poser figure to be able to use Figure Height (possibly in the company of Apollo).

I don't think the rotation order for the collars would need to change.  The endpoint would have to move, IIRC, which would alter the angle of the twist axis for the collar.  (I may be wrong about that.  I should test in the joint editor.)  I believe, for proper scaling, that the twist axis should be parallel with that of the shoulder.  I could be wrong.  But changing the twist axis could require altering the collar joint handling, and it handles so well now that I don't think the complication really merits the change, personally.

If you scale the shoulder instead of the collar, it handles quite well.

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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.