Have a look at this it i am not sure if you can mirror with it i don't think so, but it is python and may give some smarter people than me ideas how Gene method may be automated. I have found this a very useful tool along with his F engrave.
http://www.scorchworks.com/Gcoderipper/gcoderipper.html I am not affiliated with this work at all just grateful for the kindness of this person for sharing his code and this useful to me any way tool. linden On 16-02-13 02:17 AM, Gene Heskett wrote: > On Saturday 13 February 2016 04:18:28 Gregg Eshelman wrote: > >> Is there a program, preferably for Windows, that can read a G-code >> file and make an altered copy to produce a file that will produce a >> mirror image of the original? >> >> I've done one that took quite a lot of work to get right, now I need >> the code to cut the same part for the other side of the car. >> > In gcode, if Y=0 goes down the centerline, or can be adjusted to make it > so, its pretty easy using the editors search & replace. ake a 2nd copy > of the file, calling it the other side. > > Then If the Y is always followed by the # sign beginning a variable > reference, then search for Y# in the second copy of the file, and > replace it with a Y-#. > > Or for some part like a door handle, just negate as above, all the Y > values. If Y values are present in both polarities, you'll need to use > a dummy axis for a temporary scratchpad, like swapping all the Y# to W#, > then swap the Y-# to Y#, then swap the W# to Y-#, which will mirror it > about the Y=0 centerline. > > I have used this general idea quite a few times to fix pcb-gcode outputs > where the mirror for the double sided pcb was mirrored along the wrong > axis. That, and using 2 different co-ordinate maps to offset the length > of the board, thereby resulting in thru holes drilled 55% of the way > thru the board on one side, meeting perfectly, the same hole drilled 55% > of the way thru the board from the other side when making a double sided > pcb. > > pcb-gcode's docs could be a bit clearer in describing what an option > does, and it took quite a few repeats to get it down to just the > co-ordinate mapping needed to offset the mirrors width. > > HTH, Gregg. > > Cheers, Gene Heskett ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
