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

https://dailydoll.shop/shop/dolphin-at-sunset-wall-hangin...

Dolphin at sunset Wall hanging
Crochet pattern

Dimensions:
7,08 inches wide x 7,08 inches long (not including fringe)

Materials:

• Blue yarn ( 1,76 oz/ 174 yds, 55% cotton, 45% PAC)
• Green yarn ( 1,76 oz/ 174 yds, 55% cotton, 45% PAC)
• Light Blue yarn ( 1,76 oz/ 174 yds, 55% cotton, 45% PAC)
• Yellow yarn ( 1,76 oz/ 174 yds, 55% cotton, 45% PAC)
• Black yarn ( 1,76 oz/ 174 yds, 55% cotton, 45% PAC)
• 2,25 mm crochet hook
• Scissors
• A long tapestry needle
• Wooden dowel/ tree branch
• Basket (so that the yarn don’t get confused)

wall hanging is crocheted according to the drawing of my son.