[How can I turn off zigzag layer stitching?]

That's right! Exactly what I found, too. Thank you very much for the suggestion. Arachne is a treat! It looks like it's addressing one longstanding fundamental issue in 3D printing!

 

I look forward to helping with feedback as I use Arachne. Thank you!

 

 

[How can I turn off zigzag layer stitching?]

Hey there, I've run out of options to disable the effect shown in the graphic. It seems when Cura wants to print a line thinner than the nozzle width, it does this zigzag pattern, and there's a bunch of rapid XY motion causing the printer to shake. 

 

I've looked through all the settings, but I must have missed something. What's this effect actually called? Is there a setting where I can disable it, and simply print a thin line instead of the zigzags?