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Decision fieldOpen accessYarnSubGlobalRemovePaidBootstrapFashion SlopersGlobalRemove
Decision fit
Primary jobChoose materialsFind patterns & fit
AreaYarnPatterns & fit
Best forReplacing a discontinued or unavailable yarnBuying a quick measurement-generated sloper
Know before usingA suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing.Each purchase is an automated draft based on submitted measurements and the chosen product's formula, ease, fabric, and format assumptions. Supported input ranges do not prove fit, and product pages themselves recommend a muslin and additional adjustments for some figures. Confirm included instructions and file compatibility, protect stored body data, and test the output before design or production use.
Practical access
ForMakersBoth
Location or jurisdictionGlobalGlobal
AccessOpen accessPaid
FormatReferenceMarketplace
Source typeFirst-party platformCommercial marketplace
Source and review
What the source establishesYarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems.BootstrapFashion's current sloper catalogue sells measurement-generated woven and knit blocks. Individual product pages accept body measurements and optional fit adjustments, state supported measurement and height ranges, disclose ease and fabric assumptions, and offer output choices including print-ready PDF and CAD-oriented PLT or DXF, with the generated file sent after purchase.
Linked page reviewedJul 21, 2026Jul 21, 2026
Next review dueJan 17, 2027Jan 17, 2027
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