how the hell is this done? I get it’s a gradient thread, but do you do it cross by cross? How do you figure out the start/beginning of a box and manage to make it still in a gradient? Or is it a fafo kind of deal? ????

[not sure if link/reference(??) needed so… it’s ’Octagon Blackwork Sampler Blackwork Chart’ by ‘xxInfinityStitchesxx’ on Etsy.]