Polarise X 2

This is what happens when you use a polarising filter on your light source, and another one on your camera. By turning them around, the stresses in the clear plastic will show up in different colours. I think this method is used in stress analysis in structural engineering models - it can highlight areas of weakness.

I just think it looks good!

Used it yesterday on Lizs engagement ring.

JimH.Solitaire.