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人造「四腳獸」？
這樣的幾何結構原本是由荷蘭藝術家 Theo Jansen 所發明出來的，他原先的構想是希望能創造出由自然風力驅動、不需任何燃料的「人造生物」。
利用 GeoGebra 製作的方法，請參考下列講義：
[url]https://docs.google.com/viewer?a=v&pid=sites&srcid=eW1zaC50cC5lZHUudHd8Z2VvZ2VicmF8Z3g6N2Y0MDVkN2U0YjIxYWYyZA[/url]