This pattern was specifically designed for worsted weight yarn and a 5.5 mm crochet hook (US I/9 UK 5), which should give you a finished blanket size of 1.8 m x 1.8 m (just over 6’ square). Link for free crochet pattern and instructions you will find below!
Free pattern and official tutorial you will find here! Ps. don’t forget share! Enjoy!