It is a famous old lace stitch that isn’t quite as difficult as it looks, but certainly makes you look like an expert knitter. The chart for this is SO easy!
Russian Pinterst post, click on picture to go to page with chart
ajour / lace knitting
swing knitting pattern - Αναζήτηση Google
This is a beautiful cabled design, and if you can read a chart you'll get it the first try.
узор 476 ажурные треугольники | каталог вязаных спицами узоров | Вязание | Постила