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Career & Technical Education Sketching 2.00 Explain and demonstrate basic sketching skills and techniques.
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Career & Technical Education Sketching Concepts 2.01 Explain the concepts related to sketching.
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Purpose of a Sketch Quickly & easily get an idea on paper Design sketches Freehand technical sketches Technical illustrations
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Freehand Technical Sketch
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Design Sketch
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Technical Illustration
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Sketching Materials Paper Pencil Soft lead Optional Eraser Grid Paper
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Sketching Technique Proportion Clarity Sketching Aids
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Sketching Lines Vertical lines Top to bottom Long straight lines Series of short straight lines
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Sketching Circles & Arcs Begin by lightly constructing a square
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Sketching Angles Begin with 90 ° angle 60 ° 30 ° 45 ° Subdivide onceSubdivide twice
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Sketching Assignment Page 37 Figure 2-18 Page 41 Figure 2-28 Page 42 Figure 2-29 Page 39 Figure 2-23
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Career & Technical Education Sketching 2.02 Explain the concepts and principles underlying isometric, oblique and multiview sketching.
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Sketching Types of Sketches Single-view Multi-view Pictorials
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Single-view Sketching Technical purposes Front view Most descriptive features
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Steps for Single-view Sketching Object Step 2 Step 1 Step 3Step 4
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Multi-view Sketching Technical sketch Front view Top view Side view
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Multi-view Sketch TOP VIEW R. SIDE VIEW FRONT VIEW
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Single-view/Multiview Sketch Assignment Figure 2-5 Front view Figure 2-5 front, top, ride side
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Pictorial Sketches Quickly communicate an idea Three dimensions in one view Width Height Depth
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Pictorial Sketches Three (3) types Isometric Oblique Perspective
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Isometric Sketch WIDTH DEPTH HEIGHT
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Isometric Sketching Three equally spaced axes of 120 °
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Isometric Sketching Receding lines Typically 30° off horizontal
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Isometric Sketching Circular shapes appear as ellipses
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Isometric Ellipses Correct ellipse orientation
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Isometric Sketching Non-Isometric lines Locate endpoints and connect
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Isometric Sketching Assignment Pg. 35 Figure 2-15 Pg. 36 Figure 2-16 Pg. 44 Figure 2-36 Pg. 46 Figure 2-41 Pg. 47 Figure 2-44
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Oblique Sketch WIDTH DEPTH HEIGHT
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Oblique Sketching Front view is drawn true shape and size
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Oblique Sketching Receding edges are usually drawn at an angle of 30°, 45°, or 60°
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Oblique Sketching Circles and curves drawn on frontal plane will appear true shape and size
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Oblique Sketching Assignment Read definition page 34 P. 43 fig. 2-32 B. & cabinet half and Cavalier full depth P. 44 2-34
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Perspective Sketches 2-Point Perspective1-Point Perspective
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Perspective Sketches Objects appear as the eye would see them Most realistic type of pictorial sketch Most difficult pictorial sketch to draw
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Perspective Sketching Assignment Read perspective definition p. 413 P. 410 fig 12-3 1 point perspective
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Sketching & Book Assignment P. 50 fig. 2-51 Use graph paper & print a,b,ect. P. 56 Review content & academic vocabulary (define all) Review key concepts 2-9 P. 57 #11 1 paragraph p. 58 1,2,3,9 p. 60 B,F,K multiview
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