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Наводку получила от  лиора мой светик 

Иримед: добавляю материал по вязанию такого квадрата спицами:

Мастер-класс

Описание работы

This eyelet corner is worked on 11 sts, using the center stitch as the axis of the angle. It is knitted from the inside outward.

Row 1
(right side) k5, yo, k1, yo, k5

Row 2
k to center st, p1, k to the end

Row 3
k to center st, yo, k1, yo, k to end

Repeat rows 2 and 3 until you have reached your desired width.