Partial structure of the bird base and a flatly foldable 90°[π/2 (rad)]-twisting structure around a square can be combined and formed into a diagram, which is to be flatly folded into the shape that looks like some cruciform "Shuriken":
The basic diagram above is not only applied to 'Shuriken', also modified into various forms or modular structures, some of those have been appeared in the articles of the companion site:
ManyFolds in Variety , as follows:
"Lotus" ;
"Triplets of Water Lily" ;
"A Flower: four petaled with four leaves" ;
"Four petaled flowers" ;
"Polygram arrangement #1" ;
"Polygram arrangement #2" ;
"Excavated this week #1" ;
"Excavated this week #2" .

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