From the Knit Rowan website:
Crochet this inspirational rug, a free pattern to download as part of the Trent Homeware Online Collection. Designed by Nottingham Trent University student Emma Bryans using one of our most popular yarns Big Wool (wool), this rug is constructed from 30 crochet motifs which are joined together in strips to make this unique rug.

Finished dimensions:
Completed rug measures 176 cm (69 inches) long and 113 cm (44½ inches) wide.

Yarn information:
Photographed in Linen 048
18 skeins
1566 yards