This is an image of a chess set built to accomodate blind and partially sighted
people.
The board has a hole on each square, and each piece has a peg on the bottom, this
allows the pieces to be touched quite roughly without them falling over or moving
onto a different square. Along each side of the board there is a seperate panel
which also has holes in it, this is where the captured pieces are stored as they
won't stand up on the table, and it's not easy for a person with little or no
sight to find pieces of a chess set when they're scattered around on the floor.
The white pieces all have a spike on top so that you can tell what colour a piece is
just by it's touch. The white squares are recessed so that you can find the diagonal
easily if you can't see, it also makes playing draughts easy.
The set in the image is modelled on sets that we had in school, I don't have one at
home so it was all done from memory and a bit of guess work. Some shapes were based
on those of an ordinary chess set that I have here, the king and queen were purposely
made to look very similar, in school we would have endless arguments over which was
which.
It's all hand coded CSG, no measurements were taken, no non standard include files,
but rendered in MegaPOV 0.7 and my first real experiment with radiosity (render time
just over two days). The image was inspired by Warp's post to the povray.binaries.images
newsgroup on the POV-Ray news server back in May 2001.
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