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Decision fieldOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemoveFree + paidYarnpondGlobalRemoveOpen accessYarn Database EU Dyers and MakersEuropean UnionRemoveFree downloadSeamly2DGlobalRemove
Decision fit
Primary jobFind patterns & fitFind patterns & fitChoose materialsFind patterns & fit
AreaPatterns & fitPatterns & fitYarnPatterns & fit
Best forAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceRunning knit or crochet pattern testsFinding independent EU yarn or fibre dyers with off-Ravelry purchase routesDigital pattern drafting
Know before usingThe record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review.The platform is for knit and crochet rather than sewing, and a profile, application, rating, or platform listing does not prove technical competence, availability, identity, or fit for a project. Prices and plan limits can change. Define the test or edit scope, sizes, yarn, deadlines, compensation, confidentiality, intellectual property, file handling, expected feedback, and dispute process in writing before work starts.It is one curator's intentionally selective, off-Ravelry-oriented database, inventories change, and paid supporters can receive rotating priority placement; verify availability, fibre claims, shipping, and terms directly.Patternmaking knowledge, controlled measurement files, production conventions, and sewn fit testing are still required. The software does not validate body measurements, ease, balance, grading rules, fabric behavior, construction, or product fit. The project currently labels its user wiki manual as needing updates, so confirm current commands and file behavior against the installed release and active support channels.
Practical access
ForApparel brandsBothMakersBoth
Location or jurisdictionGlobalGlobalEuropean UnionGlobal
AccessOpen accessFree + paidOpen accessFree download
FormatStitch AuthorityCommunityDirectorySoftware
Source typeStitch AuthorityFirst-party platformCommunity databaseOpen-source project
Source and review
What the source establishesThe guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments.Yarnpond's current pages let knit and crochet designers publish public or private testing calls, select applicants, communicate with test teams, set milestones, collect feedback, post sample-making calls, and advertise tech-editing jobs. Testers can participate without charge, while designers pay per testing or job post or use a subscription, and tech editors maintain profiles and apply to posted work.The individually researched database offers free listings and sortable yarn, fibre, designer, editor, accessory, and location views; the EU page spans multiple countries and direct seller profiles.The maintained Seamly2D repository identifies the application as GPLv3+ open-source patternmaking software for Windows, macOS, and Linux. It reads multi-size measurement files for standardized sizes and individual measurement files for custom-fit work, publishes downloadable builds and releases, and links an active website and user forum.
Linked page reviewedJul 16, 2026Jul 21, 2026Jul 15, 2026Jul 21, 2026
Next review dueJul 16, 2027Jan 17, 2027Jan 11, 2027Jan 17, 2027
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