it is comparitvely easy to relocate the laser in relation to the camera, and as for having consistancy between the laser source and camera that can be done in the frame/holder/case that the scanning happens in, BUT the big worry for me is the higher power near UV laser scattering off the scanned object and affecting the space around the scan volume, I suspect that this worry is why most of the laser based 3d scanners use low power red lasers