On Saturday 13 February 2016 06:08:49 Sarah Armstrong wrote:

> why not mirror parts using G41 G42 far quicker

Zero documentation of that potential usage in the pdf docs?  The next 
person to see that code would shake his head at such convolution.  I'm 
looking at it, and would read that as applying a fixed offset, not a 
dynamic one.  And that doesn't pass the "does it make sense" test here.

From that pdf:
===
G41 <D-> (left of programmed path)
G42 <D-> (right of programmed path)
• D - tool number

The D word is optional; if there is no D word the radius of the currently 
loaded tool will be used (if no tool is loaded and no D
word is given, a radius of 0 will be used).

If supplied, the D word is the tool number to use. This would normally be 
the number of the tool in the spindle (in which case
the D word is redundant and need not be supplied), but it may be any 
valid tool number.
===
Note the word "radius".

Now Sarah, you wouldn't mention it unless you've done it. so please 
explain. :)

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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