Waist Training Corset  ·  Pattern P-473

ASTER

Sixteen panels. Sixteen bones.
One uncompromising line.

Sixteen shaped panels, sixteen steel bones, and a waist tape hidden between shell and lining. Aster is a training corset engineered for genuine reduction — and finished so that none of the engineering touches the skin.

Aster waist training corset in black and silver brocade, showing the sixteen-panel seaming and sweetheart top edge
Shown in Brocade — Black / Silver
Panels
16Eight per side
Boning
1614 spiral · 2 flat steel
Busk
12.5"Centre front
Grommets
3216 per side
Lining
220GSM · 100% cotton twill
Sizes
20–404–6" reduction
Front length
14"Centre front
Side length
14"At the side seam
Back length
15.5"Centre back
Waist tape
InternalBetween shell & lining
Modesty panel
IncludedBehind the lacing
Closure
Busk& back lacing
The Build

Aster begins with a decision most corsets avoid: sixteen panels instead of eight or ten.

Eight shaped pieces to each side of the body, cut narrow through the waist and released over the rib and the hip. Every additional seam costs time on the cutting table and time at the machine, and every one of them earns it back — as circumference removed where it should be removed, and as a channel for another bone.

Fourteen spiral steel bones sit at the shaping seams, where the body curves in two directions at once and a flat bone would simply fight it. Two flat steels sit either side of the lacing, holding that edge straight against the tension of thirty-two grommets — sixteen a side, closely set across a fifteen-and-a-half-inch back, so the pull distributes along the whole length rather than gathering at three or four points.

Below the waist, two shaped inserts carry the hip. This is the detail that decides whether a corset can be worn sitting down. Without them the lower edge stands away from the body or presses into it; with them it follows.

The waist tape is the part no one sees. It runs the full circumference of the waistline, laid in and closed over so that it sits between shell and lining — taking the strain off the seam allowances while remaining invisible from both faces, with nothing against the skin. The lining is 100% cotton twill at 220 GSM: breathable enough for daily wear, substantial enough to hold its shape.

Pattern P-473_Aster

The pattern, laid flat

Nine pieces, seventeen cuts. Five panels across the front alone, two shaped hip inserts, a centre back carrying sixteen grommets, and the modesty panel. Graded from the size 26 master.

CAD pattern layout for the Aster waist training corset: front panels F/1 to F/5, side front and side back hip inserts, centre back panel B/1 and rectangular modesty panel, drawn to an inch scale
Ref P-473_ASTER_30.05.25 Master size 26 Grainline on every piece Balance notches at rib, waist & hip
Panel schedule — per shell layer
#PieceCodeCutPosition & function
01Centre FrontF/12Straight centre-front edge for the 12.5" busk. Sweetheart peak and dip at the top edge. Widest front panel.
02Front 2F/22Strong hourglass curve — the first major reduction seam.
03Front 3F/32Continues rib-to-waist reduction; narrowest through the waist.
04Front 4F/42Carries the waist balance line; transitions front into side.
05Front 5 / Side FrontF/52Lower edge shaped with a deep concave curve to receive the side front hip panel.
06Side Front Hip PanelSIDE FRT2Fan-shaped insert. Provides front hip spring below the waist.
07Side Back Hip PanelSIDE BACK2Fan-shaped insert. Provides back hip spring below the waist.
08Centre BackB/12Straight centre-back edge carrying 16 grommets. Lower edge shaped to receive the side back panel.
09Modesty PanelMODESTY1Rectangular; sits behind the back lacing gap.
The engineering is total. None of it touches the skin.
Aster · Pattern P-473
Detail

Six things worth looking at closely

Sixteen panels

Eight shaped pieces per side. Five across the front alone. The seams are where the shaping lives.

Spiral and flat

Spiral steel flexes two ways and follows the body. Flat steel resists along its width and holds the lacing edge straight. Aster uses each where it belongs.

The hip inserts

Two shaped pieces set into the lower edge, front and back. They are the reason Aster can be worn seated.

The tape you never see

A waist tape carries the lacing load off the seams. Laid between shell and lining, it does its work invisibly — and never touches the skin.

Sweetheart edge

A small peak at centre front, a shallow dip either side, then a clean rise over the ribcage. Structure, softened.

Cotton twill, 220 GSM

The layer against the body is the one that decides whether a corset gets worn. Breathable, substantial, honest.

Sizing

Eleven sizes, graded in two-inch steps

Choosing a size

The size number is the finished corset waist in inches. Measure the natural waist — the narrowest point, usually just above the navel — with the tape snug but not pulled, then take four inches off for a standard training fit. Experienced wearers working toward a fuller reduction can take six.

A 30" natural waist orders Size 26.

Seasoning

Aster is a compression garment. Wear it loosely laced for one to two hours a day across the first fortnight, so the cloth and bones mould to the body before lacing to full reduction.

Corsets laced hard from new distort, and the boning never settles correctly.

Size Finished corset waistCorset
waist
Natural waist — 4" reductionNatural waist
−4" reduction
Natural waist — 6" reductionNatural waist
−6" reduction
2020"24"26"
2222"26"28"
2424"28"30"
2626"base30"32"
2828"32"34"
3030"34"36"
3232"36"38"
3434"38"40"
3636"40"42"
3838"42"44"
4040"44"46"

Sizes 20 to 40, covering a natural waist of 24" to 46". Size 26 is the master pattern on file. Front, side and back lengths are quoted at the base size.

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