Unfortunately it is currently impossible to buy a pattern through Ravelry. Pattern is available here :

https://dailydoll.shop/shop/christmas-hat-for-doll-or-toy...

Christmas hat
Crochet pattern
By ThreeStrandsToys

Skill level : *
Size: Size: circumference 4,3 inches /11 cm when made with the indicated yarn.

Abbreviation:
Ch -chain
Sc-single crochet
Slst-slip stitch
G- green yarn
R- red yarn

Materials:

• Green yarn ( 1,76 oz/ 174 yds, 55% cotton, 45% PAC)
• Red yarn ( 1,76 oz/ 174 yds, 55% cotton, 45% PAC)
• 2.5 mm crochet hook
• Scissors
• Stitch marker
• A long tapestry needle

Crochet the first wedge.
Crochet by the back loop.
Worked in rows.