You dont need to spend a ton of money to get a solid, reliable sewing machine. At my recent lingerie sewing workshop, we used the @necchi.us NC 102D and C700, and they handled every stitch like Vintage Misses Sexy Lingerie Undergarments Full & Half Slip Camisole Panties Teddy Sewing Pattern Butterick 4331 Size 8 Bust 31.5 Etsy Diy Lingerie How To Make A Pair Of Panties Sewing on Cut Out + Keep Three main elastic I use when sewing lingerie. 1. Fold over : I usually use shiny or Matt 14mm (which sees to 7mm) but there is a whole load of colours and patterns