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Sketching Techniques. Purposes of Sketching. Think through a design – look at it instead of just thinking about it Communicate your ideas – let others look at what you are thinking Uses lines and symbols to describe a design – it takes a lot of words to describe even a simple shape.

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Purposes of sketching
Purposes of Sketching

  • Think through a design – look at it instead of just thinking about it

  • Communicate your ideas – let others look at what you are thinking

  • Uses lines and symbols to describe a design – it takes a lot of words to describe even a simple shape

Draw a 3” horizontal line

Draw a 3” line extending from one end of the horizontal line at 45 degrees

Connect the ends of the two lines with a third line


Common uses of sketching
Common Uses of Sketching

  • Brainstorming ideas

    • Piggy backing on variations

  • Communicate

    • Pass on information

  • Document Dimensions

    • Size of surfaces and features


Advantages of sketching
Advantages of Sketching

  • Convenient

  • Inexpensive

How many words would it take you to describe this pair of pulleys?

There would be a lot of assumptions and prior knowledge necessary for someone to be able to draw this from a verbal description


Sketching techniques 1
Sketching Techniques #1

Sketching a Line

1)

2)

3)


Sketching techniques 11

Inclined Line

Vertical Line

Horizontal Line

Rise

Run

Sketching Techniques #1

Lines (if you didn’t have graph paper)


Sketching techniques 12

2) Square in the

diameter

1) Set up the

diameter

3) Sketch

diagonals

Sketching Techniques #1

Sketching a Circle in 5 steps

The lines in steps 1 – 5 should be thin and light

(barely visible) “Construction Lines”


Sketching techniques 13

4) Identify triangle

centers

5) Sketch arcs

Sketching Techniques #1

Sketching a Circle

The lines in steps 1 – 5 should be thin and light

(barely visible) “Construction Lines”


Alphabet of lines 2
Alphabet of Lines #2

Construction

Object

Hidden

Center


Alphabet of lines
Alphabet of Lines

Construction Line


Alphabet of lines1
Alphabet of Lines

Object Line


Alphabet of lines2
Alphabet of Lines

Hidden Line


Alphabet of lines3
Alphabet of Lines

Center Line


Image Resources

Microsoft, Inc. (2008). Clip Art. Retrieved October 20, 2008, from http://office.microsoft.com/en-us/clipart/default.aspx


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