It is called Chimera because it is half crochet and half fabric. Crochet is attached to a fabric skirt to make a dress. Crochet terms are UK
The gauge is NOT 3 repeats to 4 inches. It is 3 repeats to 7.5 cm but Ravelry doesn’t allow me to quote in cm.
I used a crochet cotton of unknown provenance. About 20 wpi. Total weight of yarn used was 400 to 450 gm