Scratch

Project Notes

Press the green flag
3D Clelia curves
***********************
Press Show slider
***********************You can choose A, B.
N is the parameter of Clelia.
You have N=A/B.
WARNING : Choose A/B irreductible fraction.
Classical examples :N=1 Curve of Viviani; N=2 ; N=5
N=1/3 ; N=7/3 :N=3/4 ;
N=1/5 ; N=6/5
Send me your better parameters

***********************
You can choose
Size
Colors
Varcolors
Tilt up and down
Rotate
Press the green flag.
***********************
Credit : AddZero
***********************
Historical notes :Clelia (or Clelies) curve was studied by Pappus(about 290-about 350) is the last of great Greek geometers and one of this theorems as the basic of modern projective geometry. Clelia was studied also by Guido Grandi in 1728.