Fibonacci Rhomboids Card
The card shows the artwork Fibonacci Rhomboids Xmas, which is a collection of Fibonacci rhomboids (geometric quadrangles, each with two parallel, opposite sides) whose short and long side lengths are two consecutive Fibonacci numbers. The two small angles in the rhomboid were chosen at 72º so that they correspond to the base angle of the golden triangle. The two large angles are 108º and correspond to the internal angles of a pentagon, which gives the figure the shape of a star.
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Pricing
Prices are calculated according to the quantity ordered:
- Single cards up to 4 pieces: CHF 7.50 per piece plus shipping costs
- Small quantities of 5 to 19 pieces: CHF 7.00 per piece plus shipping costs
- Large quantities of 20 pieces or more: CHF 6.50 per piece including shipping costs