I'm a lot on a Dutch CNC forum, en someone make this:



but the guy is anti Mach3 , it looks like a pinball machine... 

is there someone who can write a wizard or something to do this with MACH 3?

i know he do it with a bol/sphere frees  and a for next loop... everytime the tool goes deeper in the material... the circle it makes grows bigger....

(sorry for the bad English)

Have a look at this thread.

http://www.machsupport.com/forum/index.php/topic,9755.0.html

Brett