One suare: 10cm x 10cm (cca 4’’ x 4’’), diagonally cca 15cm (cca 6’’)
You can vary the size of your shawl by adding or reducing the number of squares.

I used 270g (100g=3.53oz=500m=547yds) of “ALIZE angora gold simli” - colour number 4760 (But you can use any material suitable for your purpose)