Built for Industry Professionals
- ✅ ASTM & ISO grading standards
- ✅ Pattern development specs
- ✅ Production-ready exports
- ✅ CAD-compatible formats
- ✅ Tolerance specifications
- ✅ Multi-size grading tables
Pattern makers and garment factories need more than basic size charts. You need precise measurement specifications, industry-standard grading, tolerance ranges, and formats that integrate with your existing workflows. This guide covers professional-grade size chart generation for manufacturing environments.
Why Pattern Makers Need Specialized Tools
Pattern development requires specifications that go beyond basic consumer-facing size charts:
Precise Measurement Points
Pattern makers need exact measurement locations—not just "chest" but "chest width measured 1 inch below armhole at underarm seam, garment laid flat."
Grading with Break Points
Professional grading isn't linear. Tools must handle break points where grading increments change (e.g., different increments for missy vs plus sizes).
Tolerance Specifications
Production requires tolerance ranges (±0.5", ±1cm) for QC measurement verification. Consumer charts don't include these critical specs.
Ease Calculations
Finished garment measurements require ease calculations—the difference between body measurements and garment measurements for fit and movement.
Key Features for Garment Factory Workflows
Industry Grading Standards
ASTM D5585 (women's), ASTM D6240 (men's), ISO standards, plus custom grading rule support.
CAD-Compatible Exports
Export to CSV, Excel, and structured formats compatible with Gerber, Lectra, Optitex, and other CAD systems.
Tech Pack Integration
Generate specification sheets formatted for tech pack inclusion with measurement diagrams and POM callouts.
Multi-Size Grading Tables
Generate complete grade rule tables showing increments between all sizes for pattern development reference.
Factory Production Workflow Integration
Professional size chart generators integrate at multiple points in the production workflow:
Pre-Development Specification
Convert buyer references, images, or sample garments into complete size specifications before pattern drafting begins.
Pattern Development
Provide pattern makers with precise measurements and grading tables for accurate pattern drafting and nesting.
Sample Verification
QC teams use generated specs with tolerances to verify sample measurements against approved specifications.
Production QC
Inline and final inspection teams reference size specs for consistent quality control across all production sizes.
Professional Grading Table Example
| POM | XS | S | M (Base) | L | XL | Grade | Tol. |
|---|---|---|---|---|---|---|---|
| Chest Width | 17" | 18" | 19" | 20" | 21" | 1" | ±0.5" |
| Body Length (HPS) | 26" | 27" | 28" | 29" | 30" | 1" | ±0.5" |
| Shoulder Width | 15" | 15.5" | 16" | 16.5" | 17" | 0.5" | ±0.25" |
| Sleeve Length | 8" | 8.25" | 8.5" | 8.75" | 9" | 0.25" | ±0.25" |
| Armhole Depth | 8" | 8.5" | 9" | 9.5" | 10" | 0.5" | ±0.5" |
📋 POM = Point of Measure
Professional size specifications use standardized POMs (Points of Measure) with exact measurement locations documented in tech packs. This ensures consistency across pattern development, sampling, and production.
Export Formats for Production Teams
Excel/CSV
For CAD system import, PLM integration, and data processing. Structured format with measurement codes.
PDF Spec Sheets
Print-ready specification sheets with measurement diagrams for floor teams and QC stations.
Image Exports
High-resolution images for tech pack insertion and buyer communication documents.
Grade Rule Tables
Dedicated grading increment exports for pattern makers showing size-to-size differences.
Professional Size Charts for Manufacturing
Industry-standard specifications for pattern development and production. Start free.
Try for Manufacturing