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← Technical Specifications
BC-HMP-001 · The Hampden Peacoat · Shell

Outer markers by size

Built from the Accumark pattern export (sample size M) and its grade rule table. Every melton piece was graded to S, M, L, XL and 2XL and laid with the grain running down the roll, one coat per lay, as Beaver of Bolton will cut it. Cloth: Abraham Moon Heritage melton, 500gsm, 137cm wide.

Marker plate

Choose a lay and size. The length shown is the cloth one coat consumes, before end losses.

Lay
Size
Fronts and facingsBack and side bodySleeves and cuffsCollar, welts and bearer

Marker lengths

Order quantity adds 10cm of end loss per lay and 5% for flaws and handling, rounded up to the next centimetre.

What is in the lay

PieceCutM size (cm)Grades per size
Centre front1 pair86.2 × 34.8+1.0 long, +0.9 wide
Front facing (self-lining)1 pair81.4 × 47.2+1.0 long, +1.9 wide
Side body1 pair61.9 × 15.6+0.7 long, +0.9 wide
Centre back1 pair84.5 × 28.1+1.0 long, +0.6 wide
Top sleeve1 pair62.8 × 26.7+1.0 long, +0.5 wide
Under sleeve1 pair57.6 × 18.1+1.0 long, +0.6 wide
Sleeve cuff1 pair20.4 × 30.3+0.6 wide
Top collar116.0 × 29.1+0.2 long, +0.7 wide
Under collar1 pair28.4 × 23.8+0.7 long, +0.4 wide
Collar stand1 pair7.0 × 37.8+0.1 long, +1.5 wide
Front pocket welt1 pair20.4 × 6.4Ungraded
Front pocket bearer132.1 × 12.6Ungraded

Length runs along the grain. The storm cuff rib and the fusing are cut from their own materials and are not in this lay.

The BoM figure checks out

The BoM allows 2.46m of melton per coat. The Small lay here needs 2.20m, which becomes 2.41m once end loss and the flaw allowance are added. That is within 2% of the invoiced figure, an independent check on the method behind both this page and the lining markers.

Larger sizes need more than 2.46m

From Large up, one coat needs more than the BoM allows: about 2.65m for a Large and 2.87m for a 2XL on a one-way lay. Order melton by size rather than at a flat 2.46m per coat.

How these were built

  • Cut lines from the DXF, seam allowance included. Grade rules applied at every graded point, with curve points moved in proportion between them.
  • Usable width taken as 134cm, allowing for selvedges on 137cm cloth.
  • About 5mm clearance around every piece. Grain kept parallel to the selvedge; pieces never rotated off grain.
  • One-way keeps every piece pointing the same way down the roll, the safe choice for a milled cloth with a nap. Two-way allows pieces to be turned end to end, only if the mill confirms melton shows no shading.
  • Layouts come from an automated nesting search. Gerber or Lectra would usually find a lay a few per cent shorter, so treat these as a safe ceiling.