Close the circle with a slip stitch.
Chain 3 (will count as 1st double crochet), double crochet 15 stitches into the circle. 16 total.
Close the circle with a slip stitch. Chain 4 (4th chain will count as a ch1 between the double crochet stitches). Make 1 double crochet, ch1 into each stitch below. 16 total.
Close the circle with a slip stitch.
Slip stitch into the first chain space and make 3 double crochet stitches. Make 3 double crochet stitches in all the following chain spaces.
Make a slip stich to close the circle. End of your work.
In a contrasting color make a slip stitch onto your hook.
Join to your completed circle in any space between the groups of 3 double crochet stitches.
Chain 3 and slip stitch between a 3 dc group. Do this 3 times in total.
To make your first corner chain 5 and slip stitch into the next space between 3 dc groups below.
3 chain, slip stitch into next space 3 times and then 5 chain into next space. Repeat twice more to finish your row.
Slip stitch into the 3 chain space and make 3 double crochets (3 chain and 2 dc in first group). Repeat this 3 times. You should have a 5 chain space next.
To make the corner 5 double crochet, 2 chain, 5 double crochet.Then 3 groups of 3 double crochet into the next 3 chain spaces. Repeat corner and work the next two sides.
I join as you go, so that I don't need to do a bunch of sewing at the end. There are many good You Tube videos on the join as you go method.
This is such a cool pattern and it is so colorful. I hope you give it a try.