Professional Size Chart Maker for Apparel Pattern Development

For Pattern Development Professionals

Whether you're drafting first patterns, grading size ranges, or developing fit specifications, accurate size charts are the foundation of pattern development. This guide covers how modern tools support professional pattern workflows.

Pattern development begins with precise specifications. Every seam allowance, every dart placement, every curve depends on accurate measurements. Professional size chart makers provide the measurement foundation that pattern developers need to create garments that fit correctly across all sizes.

The Pattern Development Process

Pattern development process with size charts

Specification Development

Size charts define the target measurements for the base size and all graded sizes before pattern drafting begins.

Base Pattern Drafting

Pattern makers draft the base size using measurements from the size specification, incorporating ease and design elements.

Pattern Grading

Grade rule tables derived from size charts guide the systematic scaling of patterns to all sizes in the range.

Fit Verification

Samples are measured against size specs to verify pattern accuracy and fit across the size range.

Key Measurements for Pattern Development

Circumference POMs

• Chest/Bust width
• Waist width
• Hip width
• Armhole circumference
• Neck opening

Length POMs

• Body length (HPS to hem)
• Sleeve length
• Shoulder slope
• Armhole depth
• Back length

Construction POMs

• Shoulder width
• Across back
• Across front
• Hem width
• Cuff opening

Ease Specifications

• Wearing ease
• Design ease
• Movement ease
• Layering ease
• Stretch recovery

Grade Rule Generation

Professional size chart makers automatically generate grade rule tables that pattern developers use for systematic pattern scaling:

Grade Rule Table Example

POM	XS→S	S→M	M→L	L→XL
Chest Width	+1"	+1"	+1"	+1"
Body Length	+0.75"	+0.75"	+1"	+1"
Shoulder	+0.5"	+0.5"	+0.5"	+0.5"
Sleeve Length	+0.25"	+0.25"	+0.25"	+0.25"

CAD System Integration

Size chart generators export in formats compatible with major CAD pattern making systems:

Gerber

AccuMark

Lectra

Modaris

Optitex

PDS

Browzwear

VStitcher

Size Specifications for Pattern Development

Professional tools for pattern makers and developers. Industry-standard grading included.

Start Pattern Specs

Frequently Asked Questions

What is pattern development sizing?

Pattern development sizing involves creating precise measurement specifications that pattern makers use to draft and grade garment patterns. This includes base size measurements, grading increments between sizes, ease calculations, and fit specifications that define the finished garment dimensions.

How do size charts support pattern development?

Size charts provide the measurement foundation for pattern drafting. They specify finished garment dimensions for each size, grading rules that show how measurements change between sizes, tolerance ranges for production QC, and ease specifications that pattern makers reference throughout development.

What grading information do pattern developers need?

Pattern developers need grading increments for each measurement point (POM), break point specifications where increments change, ease calculations for different fit types, and cross-grading rules that show how different POMs relate to each other across the entire size range.

Can size chart tools generate grade rule tables?

Yes, professional size chart tools automatically generate detailed grade rule tables showing the exact increment between each size for every measurement point. These tables are essential references for pattern makers during the grading process.

How do automated tools improve pattern development accuracy?

Automated tools eliminate manual calculation errors that occur when computing grading increments, ensure consistent grading across all measurement points, and provide verified industry-standard specifications. This reduces pattern corrections, fit issues, and resampling during development.