100% Free Download
Activewear UK 12 / US 8 / EU 40 (Commercial M) Intermediate Level
Aldrich Metric Standard
Free UK 12 4-Way Stretch Leotard Pattern (PDF & SVG)
-16% negative ease swimsuit and dancewear bodysuit block with high leg line and scoop neckline. Guaranteed 1:1 physical calibration test box, standard 6mm seam allowances, and multi-format exports for home printers or industrial CAD software.
Cutline Seamline (+6mm) Darts Grainline
100mm Test Square on Sheet
Home Printing & Scale Verification Guide
1
Set 100% "Actual Size"
Open the PDF in Adobe Acrobat or browser. Ensure "Fit to Page" or "Shrink Oversized" is unchecked.
2
Measure 100mm Box
Page 1 has a dedicated 100mm × 100mm (4 × 4 in) calibration test square. Measure with a ruler before assembling.
3
Trim & Align Diamonds
Trim along the marked borders, align diamond match points, and tape sheets together using row/column indices.
Anatomical Sizing Metrics
UK 12 / US 8 / EU 40 (Commercial M) BUST 92 cm 36.2 in
WAIST 72 cm 28.3 in
HIP 98 cm 38.6 in
Seam Allowance: 6mm Included (+10mm standard)
Pattern Pieces: 4 piece(s)
Included Pieces:
Leotard / Swimsuit Front Leotard / Swimsuit Back Crotch Lining Gusset Fitted Stretch Sleeve
Recommended Fabrics: Spandex, Lycra, Power Net, Swimwear Tricot
CAD Parametric Geometric Spec ASTM Metric
Scye Depth: 178.56 mm
Armhole Perimeter: 264.70362304074774 mm
Drafted Bust Arc: 772.8 mm
Front Shoulder: 93.75 mm
Engineered Pattern Features
- Precision drafted to Winifred Aldrich metric standard (92cm bust / 72cm waist / 98cm hip)
- Includes physical scale calibration square (100mm & 4x4in) for 100% print accuracy
- Comes with +6mm professional seam allowances, grainlines, and balance notches
- Instant multi-format downloads: Tiled A4/Letter PDF, 1:1 scale SVG vector, and ASTM D6673 DXF CAD file
100mm TEST BOX
Zero Printing Scale Distortion
Calibrated to 100.0mm physical accuracy across all standard home printers.
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