A generated set of curves making a springy bracelet.

The taller you make this, the less flexible it is.

If you want to modify the file download structure synth and run this code:

set maxobjects 80000
set background black

armband

rule armband maxdepth 1{
bracelet
{ z 0.5 } armband
}
rule bracelet maxdepth 19{
{ h 30 s 0.5 sat 0.6 b 1 } curve1
{ y -9 x -8.3 rz 90 h 30 s 0.5 sat 0.6 b 1 } curve2
{ y -13.1 x -13 rz -20} bracelet
}

rule curve1 weight 50 maxdepth 90 {
box
{ x 0.9 rz -3 } curve1

}

rule curve2 weight 50 maxdepth 45 {
box
{ x 0.9 rz 6 }curve2
}