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Decision fieldOpen accessHook & Needle Diameter ReferenceGlobalRemoveOpen accessFreeSewingGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemovePaidPatternLab LondonGlobalRemove
Decision fit
Primary jobLearn techniquesFind patterns & fitFind patterns & fitFind patterns & fit
AreaYarnPatterns & fitPatterns & fitPatterns & fit
Best forChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gaugeCustom-fit home sewing patternsSearching current and out-of-print sewing patternsGenerating an editable custom-measurement block
Know before usingThe reference is not a dimensional measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, gauge result, or proof that a proposed tool will produce the required fabric.A generated pattern is not independent fit evidence or a production-ready graded block. The result still depends on accurate measurements, the selected design and options, ease assumptions, fabric behavior, construction, and representative test garments. An account stores saved patterns and measurement sets, so review the platform's privacy terms before retaining personal measurements.Community members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit.A measurement-generated draft is a starting block, not independent evidence of body capture, comfort, mobility, balance, garment ease, or production fit. The result depends on measurement accuracy, supported ranges, formula assumptions, selected options, and output handling. Review the service's privacy terms before storing body data and sew a representative toile before design, grading, or production use.
Practical access
ForMakersMakersMakersBoth
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessOpen accessFree accountPaid
FormatStitch AuthoritySoftwareCommunitySoftware
Source typeStitch AuthorityOpen-source projectCommunity databaseFirst-party platform
Source and review
What the source establishesThe lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows and follows the Council's warning that company letter and number labels vary; blank aliases remain blank instead of being inferred.FreeSewing's official documentation says the browser editor drafts a selected design in real time from a measurement set rather than scaling or grading a standard-size pattern. Users can adjust design options and export the generated result, including as PDF; saving the pattern to an account is optional and is used to revisit it later.Threadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions.PatternLab London's current drafting page says a user creates a measurement profile, selects a basic block or sloper, adjusts fit, dart placement, length, seam allowance, and sleeve options, then downloads the generated result as tiled PDF, AI, or SVG. The live catalogue names bodice, dress, trouser, and stretch blocks and displays a price before purchase.
Linked page reviewedJul 16, 2026Jul 21, 2026Jul 21, 2026Jul 21, 2026
Next review dueJul 16, 2027Jan 17, 2027Jan 17, 2027Jan 17, 2027
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