*Due to the higher pricing and an entirely different segment, I did not include any industrial models into this comparison, but in case your budget could extend to several thousand USD, go check it out. My favorite, Janome HD9 is a top-notch professional, industrial sewing machine. Hopefully soon, I'll create a comparison between that one and the corresponding Juki model that's been on my mind for years too.
1. Select the Right Double Needle Choose a double needle that suits your project. The needle size (e.g., 80/12 or 90/14) and the distance between the needle points will affect your stitching. A 2-3mm spacing is standard for most uses.
Understanding the Typical Double Needle Sewing Machine