Sketching Multi-view Drawings

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# Sketching Multi-view Drawings - PowerPoint PPT Presentation

Sketching Multi-view Drawings. Design Proces s STEP #7. Orthographic Projections. Big Picture. A multiview drawing is one that shows two or more two-dimensional views of a three-dimensional object. A Troubled Image. At your Tables, try drawing 3 views of the object on the left.

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## PowerPoint Slideshow about 'Sketching Multi-view Drawings' - bruce-moreno

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### Sketching Multi-view Drawings

Design Process

STEP #7

Orthographic Projections

Big Picture

A multiview drawing is one that shows two or more two-dimensional views of a three-dimensional object

A Troubled Image

At your Tables, try drawing 3 views of the object on the left.

Draw the top, the side-view, and the front view.

3 Dimensions

Width is associated is side-to-side

Height is top-to-bottom.

Depth is front-to-back.

Orthographic Projection

Take this “Pane” of Glass.

Orthographic Projection is a drawing method that allows objects to be projected onto an imaginary plane.

Orthographic Projection

Place your object behind the pane of glass.

Before you draw, you must chose your first view.

Orthographic Projection

First chose the front view.

When choosing the front view, take the following;

• The view with the longest dimension.
• The view with the simplest shape.

A

B

C

Orthographic Projection

1. Draw the front view (the areas that are shaded).

Once that is done, move to the side view.

Orthographic Projection

2. This time, draw the side view (note the shade areas are different).

Orthographic Projection

3. Note that on the side view, there is a lower part of the object behind the part shown, draw a dotted “hidden” line to show that lower spot.

Orthographic Projection

4. Finally draw the last view, the Top (again, note the shaded area is different).

Orthographic Projection

Now we can see our multiview drawing. The Top, Front, and Side Views.

Orthographic Projection

We can fold our glass pane views together to form our orthographic projection ( “the glass box” )

Width

Top View/Plan

Depth

Right Side View

Front View

Height

Setting up Orthographic Projections
A Question

Each of the blocks at right has the same overall dimensions and color. What else do they have in common?