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# Pictorial Sketching - PowerPoint PPT Presentation

Pictorial Sketching. STANDARD AC-IDD-5 -Create technical freehand sketches. 5.2 Demonstrate pictorial sketches. C). Oblique Drawing. B). Axonometric ( Isometric) Drawing. D).Perspective Drawing. A). Multiview Drawing. Technical Sketches and Drawings.

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### Pictorial Sketching

STANDARD

AC-IDD-5 -Create technical freehand sketches.

5.2 Demonstrate pictorial sketches.

B). Axonometric (Isometric) Drawing

D).Perspective Drawing

A).Multiview Drawing

Technical Sketches and Drawings

• There are four common types of drawings that you need to learn. During Advanced Graphic Communications, you will be expected to use three of these four types.

.

B,C, D are pictorial drawings. These are drawings that show its figure in all three dimensions, (width, height and depth) in a single view.

Note: The multiview drawing shows multiple flat views to a 3D object to represent its form in 2D. We will study this in a later unit.

Today’s Focus – Isometric Sketches

• An Isometric Sketch is a sketch that shows height, width, and depth of an object by using three axes set at 120˚ angles to one another.

D

D

Isometric Axes-Three axes in tw0-dimensional space, equally spaced by 120˚ apart

120˚

120˚

120˚

D

D

Class ExerciseAs a team you have 3 minutes to discuss the following:

• What dimensions are shown on the isometric axes?

• Match each axis with the

correct dimension.

Width, Height and Depth

X axis = Width

Y axis = Height

Z axis = Depth

Use your isometric grid to sketch the regular and reversed isometric shapes

Continue Sketches Figures #1 and #2

Figure #2

Figure #1

Sketching Exercises

• In the next 5 minutes as an Individual

• Sketch Isometric Figure #3

• Identify the isometric and non isometric lines

• NOW take 2 minutes

• to compare your figure with the person sitting next to you

• THEN identify the isometric and non isometric planes

• In the next 5 minutes

• share the results with the another team, make any corrections needed.

• In the next 1 minute as an Individual

• if you could ask a question . . . specifically what don’t you understand about today’s topic what would it be. [at least 3 items should be listed]

• Now take 2 minutes

• to merge your list with the person sitting next to you AND add 1 new item to the list

• In the next 5 minutes

• share the results with the other half of your team, delete questions that you can answer for each other, AND prioritize the remaining questions your list

Figure #3

Figure #2

Figure #4

Figure #6

Figure #5

Figure #8

Figure #6

Figure #8