Things You'll Need
Lace or fabric
Needle and thread or sewing machine
Square of cotton fabric
Beautiful couture thong underwear can be a woman's sexy secret. Unfortunately, it can be rather expensive, costing sometimes upwards of $20 a pair. A cheap alternative is to make your own pair of sensual thong undergarments. You can have an elaborate and intricate pair of underwear, without breaking the bank.
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Decide what kind of thong you want to make. Do you want a lace thong or a plain cotton thong? A plain cotton thong is a good choice if you want to add embellishments, while a lace thong can be a bit more sophisticated and sexy.
Trace the front of pair of thong underwear that fits you comfortably onto your chosen fabric. Or, trace the pattern onto a piece of paper and then pin it to the fabric. This is especially helpful when working with lace. Cut out the fabric.
Lay your underwear flat. Measure its width and height. Draw a T with those dimensions on your fabric or onto a piece of paper you will pin on the fabric. Make sure the vertical part of the T is exactly in the middle of the horizontal part. You can make the vertical line as thick or as thin as you wish. A thicker line is often more comfortable to wear. Cut out the piece.
Sew the front and back together, attaching firmly at the hips and crotch area. You can hand sew or use a sewing machine.
Attach a lining for the crotch, if desired. Take a piece of cotton and cut it to fit within the crotch area of the thong. Sew both the top and bottom of the cotton piece with a simple running stitch.
Place a 1/4-inch band of elastic around the top of the thong. Place the elastic at the top, fold the fabric over the elastic and sew.
Decorate your thong, if desired. Have fun with embellishments in different patterns. Rhinestones are a fun and flirty. If you use rhinestones, hand wash your thong, as rhinestones will fall off in the washing machine.
For a no-sew project, take a pair of your underwear and cut the back into a thong shape.