Up and running with autocad 2021: 2d and 3d drawing, design and modeling elliot j. gindis & robert c

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UpandRunningwithAutoCAD2021

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UpandRunningwith AutoCAD2021

2Dand3DDrawing,DesignandModeling

ElliotJ.Gindis

President-VerticalTechnologies,LosAngeles,CA,UnitedStates

RobertC.Kaebisch

ConstructionSciences-Architecture/Structural,GatewayTechnicalCollege Sturtevant,WI,UnitedStates

AcademicPressisanimprintofElsevier 125LondonWall,LondonEC2Y5AS,UnitedKingdom

525BStreet,Suite1650,SanDiego,CA92101,UnitedStates 50HampshireStreet,5thFloor,Cambridge,MA02139,UnitedStates TheBoulevard,LangfordLane,Kidlington,OxfordOX51GB,UnitedKingdom

Copyright © 2021ElsevierInc.Allrightsreserved.

Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,including photocopying,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher. Detailsonhowtoseekpermission,furtherinformationaboutthePublisher’spermissionspoliciesandourarrangementswith organizationssuchastheCopyrightClearanceCenterandtheCopyrightLicensingAgency,canbefoundatourwebsite: www. elsevier.com/permissions

ThisbookandtheindividualcontributionscontainedinitareprotectedundercopyrightbythePublisher(otherthanasmay benotedherein).

Notices

Knowledgeandbestpracticeinthis fieldareconstantlychanging.Asnewresearchandexperiencebroadenourunderstanding, changesinresearchmethods,professionalpractices,ormedicaltreatmentmaybecomenecessary.

Practitionersandresearchersmustalwaysrelyontheirownexperienceandknowledgeinevaluatingandusingany information,methods,compounds,orexperimentsdescribedherein.Inusingsuchinformationormethodstheyshouldbe mindfuloftheirownsafetyandthesafetyofothers,includingpartiesforwhomtheyhaveaprofessionalresponsibility.

Tothefullestextentofthelaw,neitherthePublishernortheauthors,contributors,oreditors,assumeanyliabilityforany injuryand/ordamagetopersonsorpropertyasamatterofproductsliability,negligenceorotherwise,orfromanyuseor operationofanymethods,products,instructions,orideascontainedinthematerialherein.

LibraryofCongressCataloging-in-PublicationData

AcatalogrecordforthisbookisavailablefromtheLibraryofCongress

BritishLibraryCataloguing-in-PublicationData

AcataloguerecordforthisbookisavailablefromtheBritishLibrary

ISBN:978-0-12-823117-3

ForinformationonallAcademicPresspublicationsvisitour websiteat https://www.elsevier.com/books-and-journals

Publisher: KateyBirtcher

AcquisitionsEditor: SteveMerken

EditorialProjectManager: AlexFord

ProductionProjectManager: PoulouseJoseph

CoverDesigner: AlanStudholme

TypesetbyTNQTechnologies

2. AutoCADfundamentals PartII

Spotlighton:architecture

3. Layers,colors,linetypes,and properties

3.1Introductiontolayers

3.2Introductiontolinetypes

4. Text,mtext,editing,andstyle

4.1Introductiontotextandmtext

5.6In-Classdrawingproject:addingHatch

6. Dimensions

6.5Centermarksandcenterlines

6.6In-Classdrawingproject:adding

Spotlighton:electricalengineering

9. Basicprintingandoutput

Spotlighton:interiordesign

7. Blocks,Wblocks,dynamicblocks, groups,andpurge

7.1Introductiontoblocks

8. Polar,rectangular,andpatharrays

10. Advancedoutput PaperSpace

Level1

Answerstoreviewquestions

Level2

Chapters11 20

11. Advancedlinework

13. Advanceddimensions

Spotlighton:aerospace engineering

14. Options,Shortcuts,CUI,Design Center,andExpressTools

Spotlighton:civilengineering

12. Advancedlayers

15. Advanceddesignandfile managementtools

15.1Introductiontoadvanceddesignand

Spotlighton:chemicalengineering

16. Importingandexportingdata

16.1Introductiontoimportingand

17. Externalreferences(xrefs)

17.1Introductiontoxrefs

Whydoweneedanxref?Whatisthe benefit?

17.6Ribbonandxrefs

17.7Level2drawingproject(7of10):

Spotlighton:biomedical engineering

18. Attributes

18.1Introductiontoattributes 486

18.2Creatingthedesign 486

18.3Creatingtheattributedefinitions 487

18.4Creatingtheattributeblock 489

18.5Attributepropertiesandediting 490 Explodingattributes 491 Insertingattributes 491

18.6Attributeextraction 491

18.7Invisibleattributes 496

18.8Level2drawingproject(8of10):

19. Advancedoutputandpensettings

19.1Introductiontoadvancedoutputand pensettings 502

19.2Settingstandards 502

19.3TheCTBfile 502 Step1 506 Step2 506 Step3 507

19.4AdditionalCTBfilefeatures 507

19.5LineweightVISIBILITYSettings 508

19.6Level2drawingproject(9of10):

20. Isometricdrawing

20.1Introductiontographicalprojection 520 Typesofprojections

20.2Isometricprojection 520 Whyuseisometricprojectioninsteadof 3D? 521 When not touseisometricperspective 522

20.3Basictechnique 522

20.4Ellipsesinisometricdrawing 525

20.5Textanddimensionsinisometric

20.6Level2drawingproject(10of10):

Level2 Answerstoreviewquestions

Level3

Chapters21 30

21. 3DBasics

21.1Axes,Planes,andFaces 550 21.23DWorkspaces,Ribbon,Toolbars,and 3DOptions 550

21.3EnteringandExiting3D 552

21.4Projectinginto3D 554 Method1(New) 556 Method2(Classic) 556

21.53DDynamicViews 560

21.6Extrude 561

21.7VisualStyles:HideandShade 562

21.8ViewcubeandNavigationBar 566

22. ObjectManipulation

22.1IntroductiontoObject

23. Booleanoperationsand primitives

23.1Introductiontobooleanoperations 594

24. SolidModeling

24.1IntroductiontoSolidModeling

25. AdvancedSolids,Faces,andEdges

25.1IntroductionToAdvancedSolids,

26. Surfacesandmeshes

26.1IntroductiontoSurfacesandMeshes

27. Slicing,sectioning,layouts,and vports 27.1Introductiontoslicing,sectioning,

29. Dview,camera,walkandfly,path animation

30. Lightingandrendering

30.1Introductiontolightingandrendering

Level3

Answerstoreviewquestions

AppendixA:AdditionalinformationonAutoCAD 773

AppendixB:OtherCADsoftware,designand analysistools,andconcepts 781

AppendixC:Fileextensions 787

AppendixD:Customlinetypesandhatchpatterns 789

AppendixE:PrinciplesofCADmanagement 793

AppendixF:AutoLISPbasicsandadvanced customizationtools 799

AppendixG:PChardware,printers/plotters, networks,andthecloud 805

AppendixH:Whatarekernels? 811

AppendixI:Lighting,rendering,effects,and animation 813

AppendixJ:3Dprinting 815

AppendixK:AutoCADcertificationexams 819

AppendixL:AutoCADemployment 823

AppendixM:ThefutureofAutoCAD 825

829

Abouttheauthors

ELLIOTGINDIS

ElliotJ.GindisstartedoutusingAutoCADprofessionallyataNewYorkCityareacivilengineeringcompanyin September1996,movingontoconsultingworkshortlyafterward.Hehassincedraftedinawidevarietyof fieldsrangingfrom allaspectsofarchitectureandbuildingdesigntoelectrical,mechanical,civil,structural,aerospace,andraildesign.These assignments,includinglengthystayswithIBMandSiemensTransportationSystems,totaledover50companiestodate.

In1999,Elliotbeganteachingpart-timeatthePrattInstituteofDesign,followedbypositionsatNetcomInformation Systems,RoboTECHCADSolutions,andmorerecentlyattheNewYorkInstituteofTechnology.In2003,Elliotformed VerticalTechnologiesEducationandTraining https://www.verticaltechtraining.com/ ,anAutoCADtraining firmthat continuestotraincorporateclientsnationwideinusingandoptimizingAutoCAD.

Elliotholdsabachelor’sdegreeinaerospaceengineeringfromEmbry-RiddleAeronauticalUniversityandamaster’s degreeinengineeringmanagementfromMercerUniversity.Asof2016,heresidesintheLosAngelesareaandisa flight testengineerfortheUnitedStatesAirForce.HealsocontinuestobeinvolvedwithAutoCADeducationandCAD consulting. UpandRunningwithAutoCAD2021,whichcarefullyincorporateslessonslearnedfromover20yearsof teachingandindustrywork,ishis16thoveralltextbookonthesubject.His2012textbookhasalsobeentranslatedandis availableinSpanishfromAnayaMultimedia.Hecanbereachedat Elliot.Gindis@gmail.com orviahiswebsite: www. verticaltechtraining.com

PrevioustextbooksbyElliotGindis

English

l OperationalAutoCAD2008. NewYork:NetcomInc.(outofprint)

l UpandRunningwithAutoCAD2009 [e-bookonly].Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2010. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2011:2DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2011:2Dand3DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2012:2DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2012:2Dand3DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2013:2DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2013:2Dand3DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2014:2Dand3DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2015:2Dand3DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2016:2Dand3DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2017:2Dand3DDrawingandModeling. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2018:2DDraftingandDesign. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2019:2DDraftingandDesign. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2020:2DDraftingandDesign. Waltham,MA:Elsevier,Inc.

Spanish

l AutoCAD2012-DibujaryModelaren2Dy3D. Madrid,Spain:AnayaMultimedia.

ROBERTKAEBISCH

RobertC.KaebischstartedusingAutoCADin1989withR10andcontinuedusingeachsubsequentreleasethrough collegeandthroughouthiscareer.Mostofhisdraftingworkhasinvolvedarchitecture,interiordesign,mechanical, electrical,plumbing,andotherconstruction-relatedindustries,fromschematicdesignsthroughfullconstruction documents.

Afterstartinghisarchitecturalcareerinthemid-1990s,andspendingseveralyearsinthe fi eld,Robertalsoworkedasa part-timeadjunctinstructorintheSchoolofDesignandDraftingatIITin2001.In2004,hesteppedawayfromteachingto focusonarchitectureandobtainedhisarchitect’slicensein2005.In2008hereturnedtoteachingandbecameafull-time instructorinGatewayTechnicalCollege’sArchitectural-StructuralEngineeringTechnicianprogram.Hecontinuestoteach andbeinvolvedinarchitecturaldesignandconsulting,aswellasAutoCAD,Revit,andothersoftwaretraining. Robertholdsabachelor’sdegreeinarchitecturefromtheUniversityofWisconsin Milwaukee’sSchoolofArchitectureandUrbanPlanning,andacerti ficateinProjectManagementfromtheUniversityofWisconsin-Stout.Hemaintains hisarchitect’slicense,technicalcollegeteachinglicenseinWI,andnationalcerti fi cationsinbothAutodeskAutoCADand AutodeskRevit.HecurrentlylivesintheMilwaukeeareaandcanbereachedat Robert.Kaebisch@gmail.com

PrevioustextbooksbyRobertKaebisch

l UpandRunningwithAutoCAD2018:2DDraftingandDesign. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2019:2DDraftingandDesign. Waltham,MA:Elsevier,Inc.

l UpandRunningwithAutoCAD2020:2DDraftingandDesign. Waltham,MA:Elsevier,Inc.

Preface

WhatisAutocad?

AutoCADisadraftinganddesignsoftwarepackagedevelopedandmarketedbyAutodesk,Inc.Asof2020,ithasbeen aroundforapproximately38years severallifetimesinthesoftwareindustry.Ithasgrownfrommodestbeginningstoan industrystandard,oftenimitated,sometimesexceeded,butneverequaled.Thebasicpremiseofitsdesignissimpleandis themainreasonforAutoCAD’ssuccess.Anythingyoucanthinkof,youcandrawquicklyandeasily.Formanyyears, AutoCADremainedasuperb2Delectronicdraftingboard,replacingthepencilandpaperforanentiregenerationof technicalprofessionals.Inrecentreleases,its3Dcapabilities fi nallymatured,andAutoCADisnowalsoconsideredan excellent3Dvisualizationtool,especiallyforarchitectureandinteriordesign.

Thesoftwarehasarathersteeplearningcurvetobecomeanexpertbutasurprisinglyeasyonetojustgetstarted.Most important,itiswellworthlearning.Thisistrulyglobalsoftwarethathasbeenadoptedbymillionsofarchitects,designers, andengineersworldwide.Overtheyears,Autodeskexpandedthisreachbyintroducingadd-onpackagesthatcustomize AutoCADforindustry-speci fictasks,suchaselectrical,civil,andmechanicalengineering.However,underneathallthese add-onsisstillplainAutoCAD.Thissoftwareremainshugelypopular.Learnitwell,asitisstilloneofthebestskillsyou canaddtoyourresume.

Aboutthisbook

Thisbookisnotlikemostonthemarket.Whilemanyauthorscertainlyviewtheirtextasuniqueandnovelinitsapproach, werarelyreviewedonethatwascleartoabeginnerstudentanddistilledAutoCADconceptsdowntobasic,easyto understandexplanations.Theproblemmaybethatmanyoftheavailablebooksarewrittenbyeitherindustrytechnical expertsorteachersbutrarelybysomeonewhoisactivelyboth.Onereallyneedstointeractwiththeindustryandthe students,inequalmeasure,tobridgethegapbetweenrealityandtheclassroom.

AfteryearsofAutoCADdesignworkinthedaytimeandteachingnightsandweekends,wesetouttocreateasetof classroomnotesthatoutlined,inaneasytounderstandmanner,exactlyhowAutoCADisusedandapplied,nottheoretical musingsorclinicaldescriptionsofthecommands.Thesenoteseventuallywereexpandedintothisbookthatyounowhold. Therationalewassimple:Anemployerneedsthispersontobeupandrunningassoonaspossibletodoajob.Howdowe makethishappen?

Teachingmethods

MyteachingapproachhasitsrootsinacertainphilosophyIdevelopedwhileattendingengineeringschoolmanyyearsago. Whilethere,Ihadsometimesbeenfrustratedwiththecomplexpresentationofwhatinretrospectamountedtorathersimple topics.Myfavoritequotewas, “Mostideasinengineeringarenotthathardtounderstandbutoftenbecomesoupon explanation.” Themoralofthatquotewasthatconceptscanusuallybedistilledtotheiressenceandexplainedinaneasy andstraightforwardmanner.Thatisthejobofateacher:Nottoblowawaystudentswithtechnicalexpertisebuttouse experienceandtop-levelknowledgetosortoutwhatisimportantandwhatissecondaryandtoexplaintheessentialsin plainlanguage.

SuchistheapproachtothisAutoCADbook.Iwanteverythingheretobehighlypracticalandeasytounderstand. Therearefewdescriptionsofproceduresorcommandsthatarerarelyusedinpractice.Ifwetalkaboutit,youwilllikely needit.The firstthingyoumustlearnishowtodrawaline.Youseethiscommandonthe firstfewpagesofChapter1,not buriedsomewhereinlatersections.Itisessentialtopresentthe “core” ofAutoCAD,essentialknowledgecommontojust aboutanydraftingsituation,allofitmeanttogetyouupandrunningquickly.Thisstripped-downapproachproved effectiveintheclassroomandwascarefullyincorporatedintothistext.

Textorganization

Thisbookcomesinthreeparts:Level1,Level2,andLevel3:

Level1 (Chapters1 10)ismeanttogiveyouawidebreadthofknowledgeonmanytopics,asortof “milewide” approach.These10chapterscomprise,inmyexperience,thecompleteessentialknowledgesetofanintermediateuser. Youthencanworkon,ifnotnecessarilysetupandmanage,moderatetocomplexdrawings.IfyourCADrequirementsare modestorifyouarenotrequiredtodraftfulltime,thenthisiswhereyoustop.

Level2 (Chapters11 20)ismeantforadvanceduserswhoareCADmanagers,full-timeAutoCADdraftspersons, architects,orself-employedandmustdoeverythingthemselves.Thegoalhereisdepth,asmanyfeaturesnotdeemed criticallyimportantinLevel1arerevisitedtoexploreadditionaladvancedoptions.Alsointroducedareadvancedtopics necessarytosetupandmanagecomplexdrawings.

Level3 (Chapters21 30)isallabout3D Solidknowledgeoftheprevioustwolevelsishighlyrecommendedbefore startingthesechapters.The3DmaterialcoversallaspectsofAutoCADsolidmodelingincludinglightsandrendering. Throughoutthisbook,thefollowingmethodsareusedtopresentmaterial:

l Explainthenewconceptorcommandandwhyitisimportant.

l Coverthecommandstepbystep(ifneeded),withyourinputandAutoCADresponsesshownsoyoucanfollowand learnthem.

l Giveyouachancetoapplyjust-learnedknowledgetoareal-lifeexercise,drawing,ormodel.

l Testyourselfwithend-of-chapterquizzesanddrawingexercisesthataskquestionsabouttheessentialknowledge. Youwillnotseeanextensivearrayofdistracting “learningaids” inthistext.Youwill,however,seesomecommon featuresthroughout,suchas.

Commands:Thesearepresentedinalmostallcasesintheformofacommandmatrix,suchastheoneshownhereforaline.Youcanchooseanyof themethodsforenteringthecommand.

Tipsandtricks: Theseareseenmostlyinthefirstfewchaptersandoneis shownhere.Theyareveryspecific,deliberatesuggestionstosmoothoutthe learningexperience.Dotakenote.

Step-by-stepinstructions: Thesearefeaturedwheneverpracticalandshow youexactlyhowtoexecutethecommand,suchastheexamplewithline here.WhatyoutypeinandwhatAutoCADsaysareinthesoftware’sdefault font:CourierNew.Therestofthestepsareinthestandardprintfont.

TIP1: TheEsc(escape)keyintheupperleft-hand cornerofyourkeyboardisyournewbestfriend.It getsyououtofjustaboutanytroubleyougetyourself into.Ifsomethingdoesnotlookright,justpressthe Esckeyandrepeatthecommand.Minewaswornout learningAutoCAD,soexpecttouseitoften.

Step1. Beginthelinecommandviaanyofthepreviousmethods.

l AutoCADsays:Specifyfirstpoint: Step2. Usingthemouse,left-clickanywhereonthe screen.

l AutoCADsays:Specifynextpointor[Undo]: Step3. Movethemouseelsewhereonthescreenand left-clickagain.Youcanrepeatstep2asmanytimes asyouwish.Whenyouaredone,clickEnterorEsc.

Learningobjectivesandtimeforcompletion: Eachchapterbeginswiththis, whichbuildsa“roadmap”foryoutofollowwhileprogressingthroughthe chapter,aswellassetsexpectationsofwhatyouwilllearnifyouputinthe timetogothroughthechapter.Thetimeforcompletionisbasedonclassroomteachingexperiencebutisonlyanestimate.IfyouarelearningAutoCADinschool,yourinstructormaychoosetocoverpartofachapteror morethanoneatatime.

Summary,reviewquestions,exercises: Eachchapterconcludeswiththese. Besuretonotskipthesepagesandtorevieweverythingyoulearned.

Inthischapter,weintroduceAutoCADanddiscuss thefollowing:

l Introductionandthebasiccommands

l TheCreateObjectscommands

l TheEditandModifyObjectscommands

l TheViewObjectscommands,etc. Bytheendofthechapter,youwill Estimatedtimeforcompletionofchapter:3hours.

Summary Reviewquestions Exercises

Whatyourgoalshouldbe

Justlearningcommandsisnotenough;youneedtoseethebigpictureandtrulyunderstandAutoCADandhowitfunctions forittobecomeeffortlessandtransparent.Thefocusafterallisonyourdesign.AutoCADisjustoneofthetoolsto realizeit.

Agoodanalogyisicehockey.Professionalplayersdonotthinkaboutskating;tothem,itissecondnature.Theyare focusedonstrategy,scoringagoal,andgettingbythedefenders.Thismentalityshouldbeyoursaswell.Youmustbecome profi cientthroughstudyandpractice,tothepointwhereyouareworkingwithAutoCAD,notstrugglingagainstit.Itthen becomes “transparent” andyoufocusonlyonthedesign,totrulyperformthebestarchitectureorengineeringworkof whichyouarecapable.

Ifyouareinaninstructor-ledclass,takegoodnotes.Ifyouareself-studyingfromthistext,payverycloseattentionto everytopic;nothinghereisunimportant.Donotskiporcutcorners.Docompleteeverydrawingassignment.Most important,youmustpractice,dailyifpossible,asthereisnosubstituteforsittingdownandusingthesoftware.Not everyonehastheopportunitytolearnonthejobwhilegettingpaid;companieswantready-madeexpertsanddonotwantto wait.Ifthatisthecase,youmustpracticeonyourownintheeveningoronweekends.Justtakingaclassorreadingthis bookaloneisnotenough.

Itmayseemlikeabigmountaintoclimbrightnow,butitiscompletelydoable.Onceontop,youwill findthat AutoCADisnotthefrustratingprogramitmayhaveseemedintheearlydaysbutanintuitivesoftwarepackagethat,with proficiencyofuse,becomesanaturalextensionofyourmindwhenworkingonanewdesign.That,intheend,isthemarkof successfulsoftware;ithelpsyoudoyourjobeasierandfaster.Feelfreetocontactmyselformycoauthorwithquestionsor commentsat Elliot.Gindis@gmail.com and Robert.Kaebisch@gmail.com.Also,besuretovisit www.verticaltechtraining. com,whereyouwill findotherresourcessuchasexercises,videos,articles,andadiscussionboardtogetyourAutoCAD questionsanswered.

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Acknowledgments

Atextbookofthismagnitudeisrarelyaproductofonlyoneperson’seffort.Ithankalltheearlyandongoingreviewersof thistextandChrisRamirezofVerticalTechnologiesConsultingforresearchandideaswhenmostneededaswellasusing thetextinhisclassroom.AbigthankyoualsotoKarenMiletsky(retired)formerlyofPrattInstituteofDesign,Russelland TituSarderatNetcomInformationTechnology,andeveryoneattheNewYorkInstituteofTechnology,RoboTECHCAD Solutions,FutureMediaConcepts,andotherpremiertrainingcenters,colleges,anduniversitiesfortheirpastandpresent support.

ExtensivegratitudealsogoestoStephenR.Merken,PoulouseJoseph,andAshwathiP.Aravindakshan,andtherestof theteamatElsevierforbelievingintheprojectandfortheirinvaluablesupportingettingthebookouttomarket.Thank youalsotoDenisCaduofAutodeskforallthesupportattheAutodeskDevelopersNetwork.

Abigthankyoutomycoauthor,RobertKaebischofGatewayTechnicalCollege,forassistinginbringingthe2018 editiontothenextlevelandcontinuinghisexcellentworkonthislatestedition.

Finally,Ithankmyfriendsandfamily,especiallymyparents,BorisandTatyanaGindis,mywonderfulwife,Marina, andmysonAndrew,fortheirpatienceandencouragementasIundertakethelengthyannualeffortofbringingthis textbooktolife.Thisbookisdedicatedtothehundredsofstudentswhohavepassedthroughmyclassroomsandmade teachingtheenjoyableadventureithasbecome.

May2021

Firstandforemost,ImustthankElliotGindisforaskingmetojoinhimonthisjourneyin2017andtrustingmetohelp withtheevolutionofhiscreationovertheyears.Thankyoutotheteachersandprofessorswhogavemethefreedomto exploretechnicaldrafting,AutoCAD,architectureandalltheirassociatedtechnologies:Mr.PeterWilson,Mr.PaulBarry, andMr.RickJules.

ThankyoutotheteamatElsevier,especiallyStephenR.Merken,PoulouseJoseph,andAshwathiP.Aravindakshan, forpromotingtheprojectandhelpingusgettingitpublishedthisyear.ThankyoualsotoDenisCaduandtheteamat AutodeskforallthehelpfromtheAutodeskDevelopersNetwork.

IcouldnotdotheworkIdowithoutthesupportoftheConstructionSciencefaculty:RayKoukari,Jr.,PatHoppe,and SteveWhitmoyer.AnotherbigthankyoutotheGatewayTechnicalCollegeadministration:Dr.BryanD.Albrecht,Zina Haywood,MattJanisin,andDr.JohnThibodeauforhelpingmegrowasaninstructor.

Finally,Imustthankmychildren,AlexandEmma,mymomSharonKaebisch,andmyamazingpartner,Dr.Sandra VanDenHeuvelfortheircontinuedsupport.Thisjourneyisprovingtobeagreatlearningexperience,makingmeabetter architect,instructor,andlearner.

RobertC.Kaebisch May2021

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Level1 Chapters1 10

Level1istheverybeginningofyourstudies.NopriorknowledgeofAutoCADisassumed,onlybasicfamiliarity withcomputersandsometechnicalaptitude.Youareataslightadvantageifyouhavehanddraftedbefore,as manyAutoCADtechniquesflowfromtheoldpaperandpencildays,afactalludedtolaterinthechapters.

WebeginChapter1byoutliningthebasiccommandsunderCreateObjectsandModifyObjectsfollowedbyan introductiontotheAutoCADenvironment.WethenintroducebasicaccuracytoolsofOrthoandOSNAP. Chapter2continuesthebasicsbyaddingunitsandvariousdataentrytools.Thesefirsttwochaptersarecritically important,assuccesshereensuresyouwillunderstandtherestandbeabletofunctionintheAutoCAD environment.

Chapter3continuestolayers,theneachsucceedingchaptercontinuestodealwithoneormoremajortopicsper chapter:textandmtextinChapter4,hatchinginChapter5,anddimensioninginChapter6.Inthesesixchapters, youareaskedtonotonlypracticewhatyoulearnedbutapplytheknowledgetoabasicarchitecturalfloorplan. Chapter7introducesblocksandChapter8arrays.Atthispoint,youareaskedtodrawanotherproject,thistimea mechanicaldevice.Level1concludeswithbasicprintingandoutputinChapter9andfinallyadvancedprinting andoutput(Layouts/PaperSpace)inChapter10.

Besuretodedicateasmuchtimeaspossibletopracticingwhatyoulearn;therereallyisnosubstitute.

Chapter1

AutoCADfundamentalsdPartI

Learningobjectives

Inthischapter,weintroduceAutoCADanddiscussthefollowing:

l Introductionandthebasiccommands

l TheCreateObjectscommands

l TheEdit/ModifyObjectscommands

l TheViewObjectscommands

l TheAutoCADenvironment

l InteractingwithAutoCAD

l PracticingtheCreateObjectscommands

l PracticingtheEdit/ModifyObjectscommands

l Selectionmethods Window,Crossing,andLasso

l Accuracyindrafting Ortho(F8)

l Accuracyindrafting OSNAPs(F3)

Bytheendofthischapter,youwilllearntheessentialbasicsofcreating,modifying,andviewingobjects;theAutoCAD environment;andaccuracyintheformofstraightlinesandprecisealignmentofgeometricobjectsviaOSNAPpoints.

Estimatedtimeforcompletionofthischapter:3hours.

1.1Introductionandbasiccommands

AutoCADisaverycomplexprogram.Ifyouaretakingaclassorreadingthistextbook,thisissomethingyouprobably alreadyknow.Thecommandsavailabletoyou,alongwiththeirsubmenusandvariousoptions,numberinthethousands. So,howdoyougetahandleonthemandbeginusingthesoftware?Well,youmustrealizetwoimportantfacts.

First,youmustunderstandthat,onatypicalworkday, 95%ofyourAutoCADdraftingtimeisspentusingonly5%of theavailablecommands,overandoveragain.So,gettingstartediseasy;youneedtolearnonlyahandfulofkey commands;andasyouprogressandbuildconfi dence,youcanadddepthtoyourknowledgebylearningnewones.

Second,youmustunderstandthateventhemostcomplexdrawingisessentially madeupofonlyafewfundamental objectsthatappearoverandoveragain invariouscombinationsonthescreen.Onceyoulearnhowtocreateandedit them,youcandrawsurprisinglyquickly.Understandingthesefactsisthekeytolearningthesoftware.Wearegoingto stripawaytheperceivedcomplexitiesofAutoCADandreduceittoitsessentialcore.Letusgoaheadnowanddevelopthe listofthebasiccommands.

Foramoment,viewAutoCADasafancyelectronichand-draftingboard.Intheolddaysofpencil,eraser,and T-square,whatwasthesimplestthingthatyoucoulddraftonablanksheetofpaper?That,ofcourse,isaline.Letusmake alistwiththefollowingheader, “CreateObjects,” andbelowitadd “line.”

So,whatothergeometricobjectscanwedraw?Thinkofbasicbuildingblocks,thosethatcannotbebrokendownany further.A circle qualifi esandsodoesan arc.Becauseitissocommonanduseful,throwina rectangle aswell(even thoughyoushouldnotethatitisacompoundpolylineobject,orfourlinesactingasone).Hereisthe finallistof fundamentalobjectsthatwehavejustcomeupwith:

CreateObjects

l Line

l Circle

l Arc

l Rectangle

Assurprisingasitmaysound,thesefourobjects,inlargequantities,makeupmostofatypicaldesign,soalreadyyou havethebasictools.WewillcreatetheseontheAutoCADscreeninabit.Fornow,letuskeepgoingandgettherestofthe listdown.

Nowthatyouhavetheobjects,whatcanyoudowiththem?Youcan erase them,whichisprobablythemostobvious. Youcanalso move themaroundyourscreenand,inasimilarmanner, copy them.Theobjectscan rotate,andyoucanalso scale themupordowninsize.Withlines,iftheyaretoolong,youcan trim them,andiftheyaretooshort,youcan extend them. Offset isasortofprecisecopyandoneofthemostusefulcommandsinAutoCAD. Mirror isused,asthename implies,tomakeamirror-imagecopyofanobject.Finally, fillet isusedtoputacurveontwointersectinglines,among otherthings.Wewilllearnafewmoreusefulcommandsabitlater,butfornow,undertheheader “Edit/ModifyObjects,” listthecommandsjustmentioned:

Edit/ModifyObjects

l Erase

l Move

l Copy l Rotate

l Scale

l Trim

l Extend

l Offset

l Mirror

l Fillet

Onceagain,assurprisingasitmaysound,thisshortlistrepresentsalmosttheentiresetofbasicEdit/ModifyObjects commandsyouneedonceyoubegintodraft.Startmemorizingthem.

To finishup,letusaddseveralViewObjectscommands.WithAutoCAD,unlikepaperhanddrafting,youdonot alwaysseeyourwholedesigninfrontofyou.Youmayneedto zoom inforaclose-uporouttoseethebigpicture.You mayalsoneedto pan aroundtoviewotherpartsofthedrawing.Withawheeledmouse,virtuallyuniversaloncomputers thesedays,itisveryeasytodoboth,aswesoonsee.Tothislistweaddthe regen command.Itstandsfor regenerate,andit simplyrefreshesyourscreen,somethingyoumay findusefullater.SohereisthelistforViewObjects:

ViewObjects

l Zoom

l Pan

l Regen

So,thisisitfornow,just17commandsmakingupthebasicset.Hereiswhatyouneedtodo:

1. Asmentionedbefore,memorizethemsoyoualwaysknowwhatyouhaveavailable.

2. Understandthebasicidea,ifnotthedetails,behindeachcommand.Thisshouldbeeasytodobecause(exceptfor maybe offset and fi llet)thecommandsareintuitiveandnotcrypticinanyway; erase meanserase,whetheritisAutoCAD,amarkeronawhiteboard,orapencilline.

WearereadynowtostartAutoCAD,discusshowtointeractwiththeprogram,andtryoutallthecommands.

1.2TheAutoCADenvironment

Itisassumedthatyourcomputer,whetherathome,school,work,ortrainingclass,isloadedwithAutoCAD.Itisalso assumedthatAutoCADstartsupjust fine(viatheAutoCADdesktopiconorStartmenu)andeverythingisconfigured “asis” withthedefaultsetup.Ifnot,askyourinstructorforhelp,astherearejusttoomanyvariablesonanyPCorlaptop,and itisbeyondthescopeofthisbooktocovertheseuniquesituations.

StartupAutoCADandifalliswell,youshouldseetheStarttabwelcomescreendepictedin Fig.1.1.Thisisachange fromolderversionsofAutoCAD,whichdefaultedtoablankdrawingareawhen fi rstopened.Wedonotspendtoomuch

FIGURE1.1 AutoCAD2021 Starttab.

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