Isometric PictorialsObjectivesProjections: Four Basic TypesIntroduction to Isometric ProjectionPowerPoint PresentationSlide 6Slide 7Usage of the Grid PaperGoing From Isometric to RectilinearSlide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Slide 17Draw the IsometricIsometric ViewDraw the IsometricDraw The IsometricSketching a CircleIsometric ellipsesEllipses Can be in Any of Three PlanesSketching an Isometric of a Hollow PipeStep 1 – Creating the Base BoxStep 2 – Ellipse on Front FaceStep 3 – Ellipse on Front FaceStep 3 – Ellipse on Back Face and ProfileStep 4 – Ellipse for Hole on Front FaceIsometric of Hollow PipeSummaryReview QuestionsSlide 34Slide 35Tips for Pictorial ViewsSheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyIsometric Pictorials2SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyObjectivesoProjections: The Four Basic Types (Review)oCreating Isometric sketchesoSketching Ellipses23SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyProjections: Four Basic Types3Orthographic ProjectionsAxonometricOblique PerspectivePictorialsNote: Isometric is a special case of Axonometric4SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology4Introduction to Isometric ProjectionCUBE• Isometric means equal measure• All planes are equally or proportionately shortened and tilted• All the major axes (X, Y, Z) are 120 degrees apart5SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology5Making an Isometric Sketch• Defining Axis30o30o60o60oIsometric Axis6SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology6DepthWidthHeightIsometric Axis ConventionMaking an Isometric Sketch•Axis ConventionFront viewChoose the longest dimension to be the width (or the depth) for optical stability7SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology7WidthDepthHeightIsometric Axis ConventionMaking an Isometric Sketch• Axis ConventionFront viewChoose the longest dimension to be the width or the depth for optical stability8SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology8Usage of the Grid PaperCorrect orientationIncorrect orientationNote the alignment of the axes9SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology9Going From Isometric to Rectilinear10SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology10Object for Practice11SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology11Blocking in the ObjectBegin with Front FaceFront FaceHeightWidth12SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology12Blocking in the Object: Add Side FaceHeightDepthSide Face13SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology13Blocking in the Object: Add Top FaceTop Face14SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology14Adding Detail Cut Outs – Part 115SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyAdding Detail Cut Outs – Part 216SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of Technology16Adding Detail Cut Outs – Part 317SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyDarken Final Lines - Part 4Note: All visible edges will be darkened18SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyDraw the Isometric 18•Use Isometric Grid Paper•Block is 6 x 3 x 319SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyIsometric View1920SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyDraw the Isometric2021SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyDraw The Isometric2122SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologySketching a Circle22•Draw a square whose sides are the diameter of the circle.•At the center of each side define the point of tangency for the circle.•Draw the diagonals of the square.•Orient the paper so you can draw equal arcs to construct the circle23SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyIsometric ellipses•In an isometric drawing, the object is viewed at an angle, which makes circles appear as ellipses.•Holes•CylindersAutumn 20092324SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyEllipses Can be in Any of Three Planes2425SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologySketching an Isometric of a Hollow Pipe2526SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyStep 1 – Creating the Base Box26DiameterDiameterLength27SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyStep 2 – Ellipse on Front FaceLines to Tangent Points- Lines to tangent points- Corner to corner to get centerTangent Points28SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyStep 3 – Ellipse on Front Face28Tangent PointsSketch in Arcs29SheetCourse: Introduction to Engineering Graphics and Visualizationcopyright 2010, Georgia Institute of TechnologyStep 3 – Ellipse on Back Face and Profile29Draw Tangent Lines for ProfileComplete Visible Part of Back EllipseRepeat for ellipse on rear face30SheetCourse: Introduction to Engineering Graphics