"Star type octahedral" seems to be more than lightly eight sides,
The definition of a solid is one of the shapes called Composite polyhedra, which overlap two positive tetrahedral bodies upside down.
Official name: Stella Octangura (Stella octangula)
Because I can make it with 8 polygons, I was useful for bullets items that go out in large quantities in PS3 one era.
「星型八面体」 軽く８面以上ある様に見えますが、
立体としての定義は正四面体が２つ逆さに重なり合った複合多面体と呼ばれる形状の１種です。
正式名称： ステラ・オクタンギュラ（Stella octangula）
８ポリゴンで作れるのでプレステ１時代には大量に出る敵弾やらアイテムに重宝してました。
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