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Pivot point
The fixed reference point on a pattern, often a bust point or hip point, around which a dart is rotated during dart manipulation.
advanced · Pattern terms
Post bed machine
An industrial machine with the bed raised on a vertical post above the table, giving access for stitching around bags, shoes, and other three-dimensional items.
advanced · Industrial machines
Prick stitch
A variation of backstitch that picks up only a tiny amount of fabric on the right side, used to hand-set zippers or topstitch in couture work almost invisibly.
advanced · Hand sewing
Princess line draft
A bodice draft in which the bust and waist darts are converted into a continuous curved seam running from the shoulder or armhole to the hem, replacing separate darts.
advanced · Drafting bodices
Princess seam adjustment
A fit alteration made along a princess seam, reshaping the curve between the panels to add or remove fullness at the bust, waist, or hip without adding a separate dart.
advanced · Fit adjustments
Private label
Products that are manufactured by one company but sold to the public under a different company's own brand name.
advanced · Industry & business terms
Production pattern
A finalized manufacturing pattern, complete with every size graded and all construction markings added, ready to be used on a factory floor.
advanced · Industry & business terms
Prominent shoulder blades
A back shape in which the shoulder blades project more than the standard pattern block assumes, causing tightness and horizontal drag lines across the upper back.
advanced · Fitting problems
Puckered set-in sleeve
Small folds at the top of a set-in sleeve cap come from easing stitches not distributed evenly around the curve. Run two rows of ease stitching, gather gently, and pin generously before sewing.
advanced · Fit & construction problems
Puckered zipper after pressing
A zipper tape that ripples once pressed, though it lay flat while sewing, comes from ironing directly over the teeth and tape without support underneath. Press from the wrong side over a seam roll.
advanced · Pressing problems
Quick-change costume construction
Costume construction approach using hidden closures such as hook-and-loop tape, snaps, or breakaway seams to allow a performer to change garments rapidly offstage or mid-scene.
advanced · Costume & cosplay
Raglan sleeve draft
A sleeve draft that extends the sleeve pattern up to the neckline in a diagonal seam, combining part of the shoulder with the sleeve rather than using a separate armhole seam.
advanced · Drafting sleeves & collars
Ralli quilt
A patchwork and appliqué quilt made by women in Pakistan, northwest India, and Sindh from recycled cotton and silk fabric scraps, hand-stitched in geometric patterns across generations.
advanced · World sewing traditions
Ramie
A stiff, lustrous bast fibre from the ramie plant, resistant to bacteria and shrinkage but low in elasticity, often blended with cotton or linen.
advanced · Natural fibres
Replacing a broken zipper
A zipper with broken teeth or a track that won't close needs to be unpicked from the garment and swapped for a new one of matching length and type. Baste the new zipper in before final stitching.
advanced · Mending & repair
Resizing shoulder seams
Shoulder seams sitting too wide or narrow, throwing off where the sleeve cap falls, are corrected by unpicking the shoulder and sleeve, moving the seam, and reattaching the sleeve to the adjusted armhole.
advanced · Alterations
Reviving crushed velvet pile
Velvet or other pile fabric flattened from pressure or storage can often be restored by steaming from the wrong side without letting the iron touch the pile, then brushing the nap back upright.
advanced · Fabric rescue & care
Roll line
The line along a jacket lapel where the fabric naturally folds back; tailors shape it through pad stitching and pressing so the lapel rolls softly rather than lying flat.
advanced · Tailoring traditions
Rotate and true method
A dart manipulation technique in which a pattern section is rotated about a pivot point to close one dart while opening another, then the resulting cutting lines are redrawn smooth.
advanced · Fit adjustments
Rouleau
A narrow tube of bias-cut fabric turned right side out, used for spaghetti straps, ties, frog closures, and thread loops.
advanced · Edges & facings
Ruffler foot
An attachment with an adjustable blade and gear mechanism that folds fabric into controlled pleats or gathers as it feeds beneath the needle.
advanced · Presser feet
Self-bound seam
A seam finish in which one allowance is trimmed narrow and the wider allowance is folded over it and stitched down, enclosing both raw edges without extra binding.
advanced · Seams
Selvedge denim
Denim woven on a narrow shuttle loom that produces a tightly finished, self-edged fabric border, prized for durability and reduced fraying.
advanced · Jeans & workwear
Sequined fabric
A base fabric, usually mesh or knit, with sequins stitched or glued on in rows, requiring seam allowances to be cleared of sequins before stitching.
advanced · Speciality fabrics
Serger tension problems
Loose loops hanging off a serged edge, or an edge that curls and puckers, points to the tension dials being out of balance for the thread and fabric. Adjust one dial at a time on a scrap.
advanced · Stitch & thread problems
Servo motor (sewing machine)
An energy-efficient electric motor for industrial machines that starts instantly at the set speed and stops precisely, unlike a continuously spinning clutch motor.
advanced · Industrial machines
Set-in sleeve draft
A sleeve draft producing a sleeve attached to the bodice along a separate armhole seam encircling the shoulder, the most common sleeve construction in tailored and woven garments.
advanced · Drafting sleeves & collars
Shawl collar
A collar cut in one piece with the front facing, curving continuously around the back neck without a notch, typical of tuxedo jackets and cardigans.
advanced · Collars & necklines
Sheer fabric shifting
Fine, sheer fabric sliding out of alignment or getting pulled into the feed dogs comes from its light weight offering little resistance. Sew between two layers of tissue paper or use a straight-stitch throat plate.
advanced · Fabric handling problems
Shell tuck
A small tuck stitched and then pulled with an overcast or zigzag stitch to create a scalloped, shell-like bump along an edge, used decoratively on lingerie and blouses.
advanced · Topstitching & decorative
Shuttle bobbin
A long, torpedo-shaped bobbin used in vibrating and transverse shuttle machines, distinct from the round bobbins used in modern rotary hooks.
advanced · Vintage machines
Silk Road textile trade
A network of trade routes connecting China to the Mediterranean from around the 2nd century BCE, through which silk, dyes, and weaving techniques spread across Asia, the Middle East, and Europe.
advanced · Textile history
Silk thread
A fine, strong, slightly elastic natural filament thread with a subtle sheen, traditionally used for hand basting, tailoring and hand-finishing fine fabrics.
advanced · Threads & needles
Sleeve draft
The process of constructing a sleeve pattern to fit a corresponding armhole, calculating the sleeve cap height and width so that its ease matches the armhole's circumference.
advanced · Drafting sleeves & collars
Sleeve head
A strip of wadding or bias-cut fabric inserted into the sleeve cap seam to support the ease and maintain a smooth, rounded shoulder shape.
advanced · Tailoring
Sleeve pitch
The forward or backward tilt of a sleeve pattern relative to the bodice side seam, affecting whether the sleeve hangs naturally in line with the wearer's arm.
advanced · Drafting sleeves & collars
Sloper
The American term for a basic, made-to-fit pattern with no seam allowances or style lines, used as a foundation when drafting new pattern designs; called a block in British usage.
advanced · Pattern terms
Smocking
A decorative technique that gathers fabric into small, controlled folds secured with embroidery stitches, both shaping and ornamenting the surface.
advanced · Shaping (darts, gathers, pleats, tucks)
Spec sheet
A document listing a garment's precise measurements at every key point, used by a manufacturer to keep sizing consistent across a production run.
advanced · Industry & business terms
Suit jacket
A tailored, structured jacket cut to match trousers as part of a matched suit, featuring lapels, a canvassed front, and set-in sleeves.
advanced · Children & menswear