Trying to use Literate Programming to create an OpenSCAD library for a Python-enabled version of OpenSCAD which is able to create DXF and G-code files for creating CNC projects:

https://github.com/WillAdams/gcodepreview

big things are reading:

_Abraham Lincoln and the Structure of Reason_ by David Hirsch and Dan Van Haften

and

_A Philosophy of Software Design_ by John Ousterhout

and getting the code to an actually useful state and then creating CNC joinery which isn't possible with other tools.