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This is a sort of quickstart manual-in-a-script series that will show you how to generate gcode from math using Python and provide a "foot in the door" for more complex parametric prints. para_01.py: The hello world of 3D parametric printing, this prints a prism shape by doing nothing more than moving the print head to three points and then raising it one layer. para_02.py: Adding trig functions, this script moves from straight lines to circles to print a cylinder. para_03.py: In the most advanced example in this pack, the GCode object is given a "rotate" method so that the cross-section of the model can be rotated one step at a time. I'll make another one of these with more advanced lessons later-- there are a LOT more things that can be done with this than I've shown here!