I primarily use this file as a coloring guide for Lucky 13s. You can paint different skin or armature parts in CAD as a preview before you print it out! I'm sure the STEP file is useful in other ways as well.
I've included the Fusion 360 file as well if you are a Fusion user. The F3d file has the arms, legs, torso, and head grouped separately , but joints are really hard to do with STLs, so there isn't any movement.
The author remixed this model.