AI Tech Pack for Plus-Size Fashion: Inclusive Grading and Fit Specifications
How to create AI tech packs for plus-size fashion with proper grading rules, fit adjustments, and construction modifications for extended sizes.
Why plus-size tech packs need special attention
Plus-size garments cannot simply be graded up from straight sizes. The proportional relationships between body measurements change at larger sizes — the bust-waist difference increases, arm circumference grows at a different rate than chest, and garment length needs adjustment to account for larger body circumferences consuming fabric.
An AI tech pack from Skema3D applies plus-size-specific grading rules that maintain proper fit and proportion across the extended size range, rather than applying uniform grade increments that produce poorly fitting garments at the extremes.
Plus-size grading differences
Understanding how plus-size grading differs from straight-size grading helps you evaluate and refine your AI tech pack output.
Grading increments: straight size vs plus size
| Measurement | Straight Size Increment | Plus Size Increment |
|---|---|---|
| Chest/Bust | 2 inches per size | 2-2.5 inches per size |
| Waist | 2 inches per size | 2.5-3 inches per size |
| Hip | 2 inches per size | 2.5-3 inches per size |
| Shoulder width | 0.5-0.75 inches | 0.5 inches (less change) |
| Arm length | 0.5 inches | 0.25-0.5 inches |
| Body length | 0.75-1 inch | 1-1.5 inches |
| Armhole depth | 0.5 inches | 0.75-1 inch |
Construction modifications for plus sizes
Plus-size garments often need construction modifications that your AI tech pack should specify.
- Wider seam allowances for stress points (side seams, crotch, armhole)
- Reinforced stitching at high-stress areas — bartacks, double-stitched seams
- Adjusted dart placement and length for bust accommodation
- Wider elastic and waistband for comfort and durability
- Longer zipper lengths proportional to garment circumference
Prompting for inclusive sizing
When generating an AI tech pack in Skema3D for plus-size garments, specify the size range you need (e.g., 1X-5X or 14-28) and the fit intent (fitted, relaxed, oversized). The AI applies appropriate grading rules and construction specifications for the extended size range.
Include notes about ease preferences — plus-size customers often prefer more ease at the waist and hip than straight-size grading would produce. Specifying 'generous waist and hip ease' in your prompt helps the AI generate more comfortable fit specifications.
Building an inclusive AI tech pack collection
Many brands now offer straight and extended sizes in a single range (XS-4X). Skema3D can generate AI tech packs with continuous grading across the full range, applying adjusted increments at the breakpoint where straight sizing transitions to plus sizing.
This unified approach is more inclusive and more efficient than maintaining separate tech packs for straight and plus sizes. Start generating your inclusive specifications at /ai-tech-pack-generator.