Chapter 6 – Pictorial SketchingCircles in IsometricFrontal PlaneProfile PlaneHorizontal PlaneNotice Direction of EllipsesSlide 7Slide 8Slide 9Steps to Sketching Ellipse on Frontal PlaneSlide 11BacksideSketch the Following Soup CansThin ObjectThin Object - BacksideArcs in Isometric SketchesArcArc – Bottom SideSlide 191Chapter 6 – Pictorial Sketching Circles and ArcsPrint handoutsSelect File, PrintEdit the following selections to read:Select the OK buttonCircles in IsometricCircles appear as ellipses when drawn in an isometric sketch.Video clip here3Frontal PlaneOrthographicFrontal Plane4Profile PlaneOrthographicProfile Plane5Horizontal PlaneOrthographicHorizontal Plane6Notice Direction of EllipsesDependent on Sketch PlaneHorizontal Plane7Notice Direction of EllipsesDependent on Sketch PlaneFrontal Plane8Notice Direction of EllipsesDependent on Sketch PlaneProfile Plane9Notice Direction of EllipsesDependent on Sketch Plane10Step 4: Sketch arcsStep 1: Select appropriate planeStep 5: Sketch arcsSteps to Sketching Ellipse on Frontal PlaneTangentTangentStep 2: Locate center of circleCenter lines must be parallel to Frontal plane axis lines.Frontal planeIsometric AxisFinished frontal plane ellipseCenter point of arcCenter point of arcStep 6: DarkenLocation HeightLocation WidthStep 3:Determine radiusLines must be sketched parallel to appropriate axis linesRadius11Steps to Sketching Ellipse on Frontal PlaneIsometric AxisStep 1: Select appropriate planeFrontal plane12BacksideBox in depthLocate centerSketch ellipseAdd tangent lines and darken13Sketch the Following Soup CansShow ALL construction lines lightlyCylinders Ø1 X 21 Grid = 1/4”Thru hole Ø.2514Thin Object Determine appropriate planeLocate center of holeDetermine radiusCreate ellipse15Sketch ellipseThin Object - BacksideBox radiusDarken object linesSketch entire ellipse?Determine depthLocate center linesArcs in Isometric SketchesArcs are usually sketched by locating their centers and then boxing in the enclosing parallelogram. Sketch the arc tangent to the enclosing box, which is drawn along isometric lines.17ArcDetermine appropriate planeLocate center of arcDetermine radiusCreate ellipse18Arc – Bottom SideDarkenDetermine depthLocate center lines and box radiusSketch ellipseAdd tangent lineSketch entire
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