Ooh, it drives me nutso. Why do the axes become confused? How can the problem be avoided? I did an animation recently in which I had a prop spinning around its z-axis while it also zoomed along the z-axis toward the camera. Everything was fine until I saved the PZ3 and re-opened it. After that, the prop was no longer rotating solely around the z, but also along the x and y, flailing about wildly. Was this Gimball Lock? Why did it happen? I rebuilt the whole scene and it saved correctly the second time, but I have no idea why it was inconsistent. Should I have paid better attention in Trigonometry class? Dang, they warned me that I really would need to know all of that one day....

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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.