18 gauge versus 16 gauge Complicated Circles Chainmaille Weave
Some chainmaille weaves work best in one gauge while others only work in one gauge, and then there are some that work well in several gauges, like the Complicated Circles!
In 18 gauge, this works well with 18 gauge 3.75mm ID and 18 gauge 10mm ID jump rings. In 16 gauge I use 16 gauge 4.5mm ID and 16 gauge 13mm ID jump rings. My personal preference is to use 18 gauge rings because I have over 40 colors available while in 16 gauge there just over a dozen colors available.