Probably way to late the discussion but….
In the wiki under O-word example, there is an example for a “Spirograph”
which if my maths are right would simply be a 2d spiral.
Here’s the actual cutting snippet from the wiki.
(here is the actual cutting - I don't have any z in it yet)
o250 do
#15=[[#1+#2]*COS[#4] - [#2+#3]*COS[[[#1+#2]/#2]*#4]]
#16=[[#1+#2]*sin[#4] - [#2+#3]*sin[[[#1+#2]/#2]*#4]]
g1 x[#15]y[#16]f200
#4=[#4+#5]
o250 while [#4 LE #14]
The only thing missing is adding in the Zed coordinate as the original
poster indicated in his comments. It is essentially a 3d helical routine.
Sub-routines require some mental gymnastics to keep up with but can be a
“stimulating “ challenge to solve especially if it results in a reusable /
configurable tool.
Bg
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