Neil, you are correct; 'Spanish Cedar' actually is a Mahogany!
Tom, yes, feel free to take a stab at it. I hope to write a paper later explaining both the mathematical and creative process' and also construction details.
Mike, good observations. The sculpture is intended to hang from the ceiling and yes, there are delightful changes as you move around it. Perhaps I'll post a few more pics.
Edward, I did not use a computer, just a Craftsman radial arm saw, the Domino and a few homemade clamps...
Peter