A sewing machine is a ... around each other to create each stitch. If one of those two threads is tighter than the other, it can pull the resulting stitch out of whack. For example, if the bottom ...

So once upon a time, sewing machines didn’t just do a bunch of things out of the box. They needed an array of plastic cams to do different stitches, kind of like trading out the element or disk ...

[Andrew] is bringing his old mechanical sewing machine into the ... With full control of the stitch width and fabric advance, it is possible to come up with some awesome stitch patterns that ...