From:  Michael Gibson
5715.5 In reply to 5715.4 
Hi Burr,

> I just did a few tests. It is inded different than bounding box. <....>

So yeah that's not at all easy to compute, it's not really related to the bounding box, but an entirely separate calculation.

> Maybe this is a mass calc we dont have yet?

Yeah I guess something like a "projected centroid" type thing, I took a quick look around and I do not see any functionality that seems to resemble that in Solids++ so that would likely be a significant project to try and implement that, sorry.

- Michael