Question

what are 3D shapes used in a pinwheel​

Answer 1

The rule essentially constructs one 3D pinwheel with three cuboids and then another which interlocks the first. The third example of a pinwheel schema from Fig. 8 with seven cuboids and six internal 3D locked joints has three kinds of maximal plane which are □, H or + shaped.

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Answer 2

Answer:

The rule essentially constructs one 3D pinwheel with three cuboids and then another which interlocks the first. The third example of a pinwheel schema from Fig. 8 with seven cuboids and six internal 3D locked joints has three kinds of maximal plane which are □, H or + shaped.

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