Final result looks great:
Shadowless plexi table it’s a simple solution allows you to diffuse and eliminate deep shadows under photographed object.
Step by step
I’m kind of lazy professional and I like to have always almost perfect raw images. I used 5 lamps but 3 could be totally enough.
Ready series of shots need to be a little edited in MODEVid software.
This is what I do: crop, adjust colors, sharpness and contrast. I removed background by program nr 5. I apply all edits to all by special MODEVid feature (read: multioperation-tool)
In particular image you can use retouch brushes to remove stains or dust.