Attached are the photos of my most recent tests as well as the original grayscale image and the image turned into bitmap format. It’s better than before but some detail is still lost. Granted, this isn’t the best example of plywood that I have but I imagine that the details won’t be that much better on better pieces of plywood.
After watching the video he did on joining dots (among some others), I decided to use a similar setting as the one he used for the woman photo on cardstock.
I adjusted the image in Lightburn before sending to my laser to have a power scale of 80, gamma of 0.725, contrast of 10, brightness of 4, Enhance radius of 8, and enhance amount of 170.
My speed is 50 mm/s, Max power 11, Min power 10, High air off, 300 dpi, Dot Width 0.10, Jarvis, and 1 pass.
Hopefully that info helps you to point me in a good direction.