Gauge:
Rnds 1-3 are 2 ins across;
Rnds 1-5 are 3 1/2” across.

Pattern uses treble (tr) and cluster treble stitches.

Pattern 22 in Magic Crochet.
Pattern 14 in Crochet Monthly; shown on back cover.
Pattern 11 in Crochet Monthly, #117

Pattern has three more rows than the project photo.