2 sided engraved penguin sign

[BarryRalphs]

I answered most of these questions over here:

Lessens learned by a noob (2 sides engraving / pocketing)

I posted my project over here: 2 sided engraved penguin sign but had some questions about it so I thought I post what I learned here instead of cluttering up the project post with individual answers. I’m an AutoCAD user, so most of what I describe below will use AutoCAD terms/commands, but I’m sure most of them are used in other CAD software as well. I’m sure if you’re experienced with CNC/milling crating G code, some of this stuff will come naturally to you, but I’ve only used AutoCAD to des…