“3D Thinking” Pages 88 to 90 Fu Hsi’s He Tu (River Map): As legend has it Fu Hsi was fishing on the banks of the Yellow River some 5,000 years ago when a supernatural animal, a “Dragon Horse,” rose from the waters carrying on his back the river map within which were hidden the eight primary trigrams of the I-Ching. The following animation relates to the odd and even sequence included in the text on page 90 and shows a possible way by which Fu Hsi discovered the trigrams. The animation starts with the River Map then shows how the trigrams might have been derived followed by pathways of trigrams 0, 2, 4, 6 and then 1, 3, 5, 7. The last but one image in the animation shows the resulting order of trigrams and its symmetries – and the last shows the traditional arrangement. The ‘odd-and-even’ pathways suggest a possible image of the “Dragon Horse.”


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