Take one of these and twist it in the middle and then double it over and hold tight and tie off a hand.

取其中之一从中间扭转它，然后把它折一下，抓紧并系紧做为一只手。

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And that slight twist, which creates a double rotation effect when viewed in plan?

轻微扭曲，当你从详图视角看时，会出现一种再次旋转的效果。

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And that slight twist, which creates a double rotation effect when viewed in plan?

轻微扭曲，当你从详图视角看时，会出现一种再次旋转的效果。

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