But here is the basic final design - the tiles will actually be the white sections - the negative spaces. The first set has been made, just waiting for them to dry - they're quite thick!
I am also beginning to think that the glass elements may well be unnecessary too - overkill if you like. But as much as I like working with photoshop, it really doesn't portray the glass very well. Maybe when I have the proper pieces laid out, I can then tell how much glass will be the right amount.