Pintucking Tips
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Needles. Use a 1.6mm to 2mm twin needle for lightweight fabrics and 2.5mm to 3mm twin needle for mediumweight fabrics.
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Fabric. Light- to mediumweight wovens work best for machine pintucking.
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Thread. Follow the sewing machine manual to thread the machine for twin-needle stitching. Make sure the two thread spools don't rub together and the threads aren't twisted together.
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Presser foot. Use a pintuck foot if available for your machine. Note: If you don't have a pintuck foot, use a zigzag, satin-stitch or embroidery foot. The pintuck foot has grooves on the underside that help form the raised tucks and keep them equally spaced. Use a foot with narrower grooves on lightweight fabrics, and one with wider (and fewer) grooves on mediumweight fabrics.
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Tension. Test samples with different tensions to create the desired look. Increase the needle tension to raise pintucks. If the pintucks aren't pronounced, try tightening the bobbin tension as well. If the fabric puckers, loosen the needle tension a bit, or loosen the bobbin tension. For the most raised and pronounced pintucks, use a pintuck foot, tight needle tension and thin fabric.
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Spacing. Mark the first pintuck with an air-soluble marker or crease, and stitch along the fabric grain. To keep the remaining tucks straight and consistently spaced, guide the first pintuck into one of the presser foot grooves or along the presser foot edge, or line it up with a quilting guide. If you have trouble keeping the pintuck in the groove, lift the fabric in front of the presser foot as you sew.
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Eliminating puckers. Pintucks on the lengthwise fabric grain tend to pucker more than those on the crossgrain. When making vertical pintucks on craft or home dec items, use fabric cut on the crossgrain. For garment sewing, where pattern pieces are usually cut on the lengthwise grain, try one or more of the following:
- Sew with a slow to medium speed.
- Spray-starch and press the fabric before pintucking.
- Loosen the upper tension slightly.
- Cord the pintucks.
If the fabric still puckers, block the fabric before cutting it. Pin the tucks to the ironing board in the desired shape, and steam or spray-starch; allow the fabric to dry and cool completely before handling.
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Corded pintucking. Cording pintucks helps eliminate puckers and raises pintucks on heavier fabrics. With a slightly tightened upper tension, feed pearl cotton or topstitching thread through the throatplate cording hole from the bottom to the top, and back under the foot. Note: If the machine doesn't have a cording hole, use a 2" length of drinking or cocktail straw taped to the machine in front of the needle, and thread the cording through the straw and under the needle. Place the fabric over the cording, hold the cord and begin to stitch; corded pintucks are automatically formed.
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Pressing. Don't press the pintucks themselves, as this will flatten them. Press the fabric between pintucks or, if they're spaced very closely together, press the fabric on either side of the set of pintucks.
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