Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 20cm ( 8 inch) 22 gauge ( wire diameter 0.6mm ) : 70cm ( 28 inch).

This is a simpler version of the model: twisted ring 1000 (remake): <a href=" I made this model 8 years ago: twisted round ring 132: <a href=" You can flexibly change the material to suit the material ...