Horizontal Thread Spool Pin Adapter

Have a sewing machine that only has a vertical spool pin? Same. So I designed and printed this adapter that allows you to run cross wound thread spools more effectively. The cap goes on and slides into the spool to keep it stationary as the thread unwinds.The first version I designed was made to go onto the bobbin winder, and literally as I was typing this, I realized I could mount it directly on the vertical thread spool pin…. So I threw together a version for that as well. The bobbin winder ve