C1: cylinder "radius 0%" rad 0
move
cylinder "radius 50%" rad 50%
move
cylinder "radius 100%"

C1B: cylinder "fit 0%" rad 0 fit with .n at 0.5cm below C1.s
move
cylinder "fit 50%" rad 50% fit
move
cylinder "fit 100%" fit

C2: cylinder "radius 125%" rad 125% with .n at 0.5cm below C1B.s
move
cylinder "radius 150%" rad 150%
move
cylinder "radius 200%" rad 200%

C3: cylinder "fit 125%" rad 125% with .n at 0.5cm below C2.s fit
move
cylinder "fit 150%" rad 150% fit
move
cylinder "fit 200%" rad 200% fit

C4: cylinder "fit" "80%" rad 80% with .n at 0.5cm below C3.s fit
move
cylinder "fit" "120%" rad 120% fit
move
cylinder "fit" "150%" rad 150% fit
