Needle Position Off Center: Alignment Without Guesswork
A needle that lands off center by even half a millimeter throws off every seam allowance and can strike the plate hard enough to chip a tip. Here is the…
zigzag
Zigzag Stitch Not Working? Straight Lines Only, Explained
The dial promises zigzag and the fabric shows a straight line. Here is the elimination order, from bumped width settings to hardened vintage grease and stripped nylon gears.