Ottia Tuota, Ofnuts, rich thank you for your answers.
Remark, I don't know if there exist a script / plugin to chop a lissajous path (Ottia Tuota script) in combination with a star path (Script-Fu / Shape Paths / Star) :
Remark, I don't know if there exist a script / plugin to chop a lissajous path (Ottia Tuota script) in combination with a star path (Script-Fu / Shape Paths / Star) :