Here is overlay mosaic crochet pattern for Ethno Shawl.
Pattern is written in US English and includes written instructions, photo tutorial and charts.

You need 6 cakes in 4 colors of Scheepjes Whirlette :
A – 855 grappa – 2 cakes (200 g)
B – 879 spearmint – 1 cake (100 g)
C – 872 frosted – 2 cakes (200 g)
D – 881 yummy – 1 cake (100 g)

Hook 3mm

It measures 218/42cm without fringes.

Gauge: 26 sts and 18 rows = 10/10cm

But you can use any other yarn and make it wider as you cast off more stitches - it can be wrap or even blanket.

Enjoy :-)