zigzagi fu'ivla

z₁ is a line with the shape of a zigzag.

In notes:

bruneleska: x₁ exhibits spina di pesce/Brunelleschi herringbone (zigzag) pattern/design with features x₂
bruneleskia: x₁ exhibits spina di pesce/Brunelleschi herringbone (zigzag) pattern/design with features x₂