Granny Square T-shirt pattern using Harmonia

Get your summer wardrobe ready with this beautiful crochet summer top. With the free pattern and Katia Harmonia cotton yarn, you can create a unique and multicolored garment. It consists of two identical large crochet squares, one for the front and one for the back, giving it a modern and youthful touch. Don’t miss out and join the granny square trend! Download the pattern now and start crocheting your own summer top in granny squares.

Difficulty level (1):


Crochet hook
Stitches and techniques

4mm / USA G6



Other techniques
Side Seam, Finishing

To make this pattern you will need:


Edition in:


Accessories you may need:

Total price
Traditional yarn shops now count on katia.com, an innovative platform that introduces them to the world of online sales. With every online purchase you are directly supporting a local business. Because when you buy at katia.com, you are buying at your nearest local shop.
Any return or exchange of goods purchased on our website need to be processed by the assigned store.

Subscribe to our Newsletter