What size needle and thread should I use? May 02, 2018 16:57 Follow Here is a chart explaining what size needle and type of thread you should use while sewing various fabrics: Related articles What are the Dimensions of My Spiegel 3201? Where can I find a copy of the manual for my SP-3201? Help me use my auto-threader! Speigel 3201 General Overview Getting Started with Your 3201 Comments 0 comments Please sign in to leave a comment.