Designation:D6673−10StandardPracticeforSewnProductsPatternDataInterchange—DataFormat1ThisstandardisissuedunderthefixeddesignationD6673;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisstandardisdesignedtofacilitatecommunicationbetweenCAD/CAMsystemsthatrepresenttwo-dimensionalflatpatternpieces.Thisstandardalsoprovidesconventionsforrepresentingrelatedinformationsuchasgraderuletables.Thisstandardisnotintendedtorepresenttherelationshipsbetweenpatternpiecesorthecorrespondencebetween2Dor3Dsewnproductpatternpiecegeometries.1.2Thefileformatforthepatterndataexchangefiledefinedbythisstandard(PracticeD6673)complieswiththeDrawingInterchangeFile(DXF)format.Autodesk,Inc.developedtheDXFformatfortransferringdatabetweentheirAutoCAD(r)productandothersoftwareapplications.Thisstandarddocu-mentsthemannerinwhichpatterndatashouldberepresentedwithintheDXFformat.UsersofthisstandardshouldhaveAutodesk,Inc.’sdocumentationonDrawingInterchangeFiles,foundintheAutoCADReferenceManual,inordertoassurecompatibilitytoallDXFformatspecifications.TheAutoCADVersion13DXFspecificationistobeused.ThefileformatforthegraderuletableexchangefileisanASCIItextfile.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D6963TerminologyRelatingtoSewnProductsAutomation2.2ANSI/AAMAStandard:ANSI/AAMA-292A3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:ForallterminologyrelatedtSewnPorductsAutomationseeTermi-nologyD6963.3.1.1alternategradereferenceline,n—anoptionalinternallinewhoseorientationisusedforthexaxisofagraderule.3.1.1.1Discussion—Theapplicationofagraderulewil...