Another thing I just thought to try (posted here mainly so I don't forget to do it tomorrow) - save the scene as a PZ3 and examine the katana in the file. And import the scene into DAZ Studio.

But I'd expect that if I save the scene with the dwarv and the correctly positioned katana in the proxy-hand at his feet, then when I import the PZ3 into DAZ Studio I'd expect the katana to be correctly positioned too.  But if in DAZ 

Not really sure where this is going... 

---

The 3Dcheapskate (also available in DAZ and HiveWire3D flavours) occasionally posts sensible stuff. Usually by accident.
And it usually uses Poser 11, with units set to inches. Except when it's using Poser 6 or PP2014, or when its units are set to PNU.