I don't want to compete with this one, but a spiral pigment function
combined with the inside of a cone might also help. I just tried to force
the build-in function helix2 to a cone shape but the necessary gradient
and/or accuracy was far to much to give working results.
Just my 2 Pfennige,
Marc-Hendrik
Ken schrieb in Nachricht <3ADAFBD6.4E0804D3@pacbell.net>...
>>This should come close -