Inside a complex of old manufacturing buildings in Seattle’s west Georgetown neighborhood hulks a single, fiendishly heavy, German industrial knitting machine. It’s the kind of machine that’s usually found in large groups, churning out hundreds of thousands of identical sweater pieces into expansive factory rooms. Here in Seattle, though, the machine pushes out into the night scarf after computer-code-patterned scarf, no two alike, each one patiently awaited by a buyer who donated $150 to a Kickstarter campaign back in 2015.