If you actually need to measure something, analysing the 2D images is much more precise.
EDIT: Also, it's really hard to visualise density in a 3D view.
Also,noone is stopping you from making a DIY ultrasound and selling it to enthusiasts.
If you actually need to measure something, analysing the 2D images is much more precise.
EDIT: Also, it's really hard to visualise density in a 3D view.