Here is a comparison photo: From left to right, the original model, the turntable mode, and the free scan mode. As you can see, the model has very sharply defined edges, which get a lot softer on the scan. some of the fine detail like thing grooves are almost gone in the turntable auto-scan mode. The free scan is only slightly sharper, but not what it could be.

I think one of the reasons for the lack of sharpness is the fact that the 2 cameras are not focused the same. compounded with the fact that the projector is not focused on the same plane as the cameras, you end up with a "soft" edge, and "blurred" detail.