The Golden Rectangle (Mathematical Ratio) Tie

No need to be a mathematician to enjoy any of these gifts featuring "The Golden Rectangle", a rectangle whose side lengths are in the golden ratio, one-to-phi -- or approximately 1:1.618. The most distinctive feature of this shape is that when a square section is removed, the remainder is another golden rectangle; that is, with the same proportions as the first. Square removal can be repeated infinitely, resulting in an infinite sequence of points on the golden spiral, the unique logarithmic spiral with this property. Make others do a double-take with aesthetically pleasing proportions with any of these mathematical attitude gifts!