Nabla Labs

Blog

Technical research and industry insights on garment fit validation, physics‑based pattern grading, and the intersection of CAD/DXF workflows with high-fidelity cloth simulation.

NL

Nabla Labs

Engineering & Research

May 20268 min read

How to validate and fix grading across sizes without more samples

Population-aware grading combined with closed-loop simulation eliminates the measurement drift that auto-scaling produces across an extended size run.

pattern gradingclosed-loop correctionpopulation-aware gradingsample reduction
NL

Nabla Labs

Engineering & Research

May 20267 min read

How to check garment fit across a body distribution (not just one avatar)

The robust way to validate fit virtually is to simulate the graded pattern across a body distribution that represents the brand's customer base — not against a single representative avatar.

population-aware gradingbody distributionstrain analysisinclusive sizing