Bra Pattern, Amethyst Lace Bra Pattern, Bra-Makers Supply

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Bra Pattern, Amethyst Lace Bra pattern features an off-set vertical seamed cup for the roundest styling, and a shortened upper cup for maximum lift (push-up look).

Bra Pattern, Amethyst Lace Bra pattern can be made with or without underwires. The Amethyst Lace Bra Pattern has been specially designed to use with foam lining, which allows the use of virtually any stretch fabric over it as a cup cover. It can even be made without foam, using low-stretch fabrics or fabrics lined with Sheer Cup Lining.

The Amethyst Lace Bra pattern has a band made from lace edging, so the scallops of the lace actually follow the contour of the bottom edge. The center front seam will allow you to mirror the lace perfectly on both sides of the frame. The lace edging is also used along the neckline of the upper cup where the scallops peek out over the foam lining. Also, the strap extension allow sports lace edging, which makes the Amethyst the most lace-intensive bra pattern in the Bra Makers Supply collection.

Pattern Sizes:

This pattern uses a unique sizing system, called the Bottom Cup Depth Sizing Method (BCD).  All BCD sizes from 3.0 through 6.0 are included in this one pattern which offers the equivalent of over 100 ready-to-wear sizes. This includes the “in-between” sizes that ready-to-wear does not carry!

While wearing your best-fitting non-padded bra, be sure to hold the tape flat against your body and do not twist. Measure your BOTTOM CUP DEPTH, which is the measurement from the apex seam following the curve of the breast down to the seam at the wireline on the lower cup pattern piece – that is the Bottom Cup Depth. This number (in inches) is the pattern size you will use. For example, if you measure 5.25” BCD, you will trace the 5.25 size for all pieces.

Next, measure your RIB CAGE, pulling the tape snug against the skin but not tight. If you measure 34” on the rib cage, you will trace to the line marked 34 on the 5.25 band pattern piece.

Required Materials for Amethyst Lace:

  • 0.3 m of Cut & Sew Foam Lining (only if using foam lining)
  • 0.5 m of stretchy fabric to cover the cups (if using foam lining)
  • 0.5 m of stable fabric such as Duoplex or Sheer Cup Lining for the cups (if not using foam lining) and for the frame
  • 0.3 meters of Power Net for the back band
  • 0.7 m or less of 3/8″ finished width Fold-over Binding
  • 1.1 m or less of ½” Plush-Back/Band Elastic for bottom band
  • 1.2 meters of ⅜” Plush Back/Band Elastic for top band
  • 0.5 meters of 3/8″ wide strip of stabilizer for the neckline
  • 1.0 – 1.2 m of Strap Elastic 5/8″ wide for BCD sizes 3.0-4.5 and 3/4″ wide for sizes 4.75 to 6.0
  • 1.0-1.2 m of double face satin ribbon, 5/8″ or 3/4″ to use as a stabilizer under the front part of the strap elastic
  • 2 sliders and 4 rings width to match the strap elastic, either 5/8″ or 3/4″ wide
  • 1 meter of Underwire Casing
  • 1 Hook & Eye Set for the back (2 hooks high for sizes 3.0-4.5 and 3 hooks high for sizes 4.5-6.0)
  • 1 Bow Embellishment for the front (optional)
  • 1 set of Underwires according to the chart below

For convenience the Amethyst Lace Bra Findings Kit includes all the finishing materials listed here except the fabric, foam, underwires and the pattern.


Bottom Cup Depth 

Usually Fits North American Bra Sizes

  Accepts Wire Sizes

3.0″ (7.5 cm)

36A, 34B, 32 C 

WR-34, WL-32

3.25″ (8.1 cm)

38A, 36B, 34C

WR-36, WL-34

3.5″ (8.8 cm)

40A, 38B, 36C, 32D 

WR-38, WL-36

3.75″ (9.4 cm) 

40B, 38C, 34D, 30E 

WR-40, WL-38, WX-36

4.0″ (10 cm)

42B, 40C, 36D, 32E

WR-42, WL-40, WX-38

4.25″ (10.6 cm)

44B, 42C, 38D, 34E, 30F

WR-44, WL-42, WX-40

4.5″ (11.2 cm)

44C, 40D, 36E, 32F 

WR-44, WL-42, WX-40

4.75″ (11.9 cm)

42D, 38E, 34F, 30G

WR-46, WL-44, WX-42

5.0″ (12.5 cm) 

44D, 40E, 36F, 32G

WR-46, WL-44, WX-42

5.25″ (13.3 cm)

42E, 38F, 34G, 30H

WR-48, WL-46, WX-44

5.5″ (13.8 cm)

44E, 40F, 36G, 32H

WR-48, WL-46, WX-44

5.75″ (14.4 cm)

42F, 38G, 34H

WR-50, WL-48, WX-46

6.0″ (15 cm)  

44F, 40G, 36H 

WR-50, WL-48, WX-46


WR – Regular Underwires

WL – Long Underwires

WX – Extra Long Underwires