I just stumbled on this while I was looking for some detail pics of the exterior of the Roci.
https://fantastic-plastic.com/rocinante---catalog1.html
Scale: 1:144
Length: 12 inches (30.48 cm)
Number of Pieces: 115
Pattern: Scott Lowther
Casting: Mana Studios
Decals: JBOT (Decals for both the Rocinante and MCRN Tachi)
Original Box Art by Brad Fraunfelter
That's about the same length as the 3D printed one from printedplanes, but quite a bit more expensive at $170, or a lot more by the time we've imported it & been hit with duty & charges