No, the sewing machine needle has not broken. **

A sewing needle suitable for Biothane material is a heavy-duty needle, such as a size 16 or 18 needle. These needles are strong enough to penetrate the tough, synthetic material without breaking. Using a heavy-duty needle will ensure that your stitches are secure and durable when sewing Biothane. **

A double needle sewing machine is a type of sewing machine that has two needles instead of one. This allows the machine to sew two parallel lines of stitching at the same time, which can be useful for creating decorative stitching, hems, and topstitching. Double needle sewing machines are commonly used in garment construction and quilting to create professional-looking finishes. They come in both industrial and domestic models, and can be used with a variety of fabrics and thread types. **

To magnetize a sewing needle, you can rub it against a magnet in one direction multiple times. This will align the magnetic domains within the needle, causing it to become magnetized. Alternatively, you can also stroke the needle against a piece of magnetized material, such as a magnet or a piece of iron, in the same direction multiple times to achieve the same effect. **

For sewing fleece fabric, it is recommended to use a ballpoint needle. The rounded tip of the ballpoint needle helps prevent the fabric from getting damaged or creating runs in the material. A size 90/14 ballpoint needle is commonly used for sewing fleece, but you may need to adjust the needle size based on the thickness of the fleece you are working with. It is always a good idea to test on a scrap piece of fabric before starting your project to ensure the needle is suitable for the specific fleece material you are using. **

Yes, it is possible to felt with a regular sewing needle, but it may be more difficult and time-consuming compared to using a felting needle. A felting needle has barbs along its shaft that help tangle and mat the fibers together, making the felting process more efficient. However, if a felting needle is not available, a regular sewing needle can still be used to achieve a similar effect, although it may require more effort and patience. **

The sewing machine needle may not be moving due to several reasons. It could be that the machine is not threaded correctly, the needle is bent or broken, the machine is jammed with fabric or thread, or the motor is not functioning properly. It is important to troubleshoot the issue by checking these potential causes and addressing them accordingly to get the sewing machine needle moving again. **

The diameter of a sewing needle can vary depending on the type and size of the needle. Typically, the diameter of a sewing needle ranges from 0.3 mm to 1.6 mm. Thinner needles are used for delicate fabrics like silk, while thicker needles are used for heavier fabrics like denim. It is important to choose the right needle size for your specific sewing project to ensure the best results. **