These programs are perfect. I am a retired IT Engineer so I used NP++ a lot to look at code. I am not a coder but I can read more code than I can write. I guess I will start adding GCode to my list now. Thanks for the tips William.
(moved this to a new topic)
Please note that writing G-code for Grbl is quite tedious since it does not support loops, variables, or branching.
https://www.folklore.org/Discovered_Loops.html
There is a utility which may address this:
or for a quite different approach see:
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For context, “Those programs” were:
and
with the latter being esp. useful for working through G-code line-by-line to see what is happening and to work out what line needs to be edited and what the effect of that would be.
There are a fair number of other wireframe previewers, but not so many which generate solid surface previews — mostly due to the need to either import tool geometry as comments (the approach taken by the now moribund CutViewer) or to manage a tool library (the more typical approach).
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