Freehand Technical Sketching
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Freehand Technical Sketching. Unit 5. UNIT 5 Freehand Technical Sketching. page 43. Learning Objectives. Use proper sketching techniques Sketch lines, circles, arcs, & ellipses Sketch objects & construction drawings. Sketching & Vertical Horizontal Lines. UNIT 5 pages 44 - 45.

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Freehand Technical Sketching

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Freehand technical sketching

Freehand Technical Sketching

Unit 5


Unit 5 freehand technical sketching

UNIT 5Freehand Technical Sketching

page 43

Learning Objectives

Use proper sketching techniques

Sketch lines, circles, arcs, & ellipses

Sketch objects & construction drawings


Sketching vertical horizontal lines

Sketching & Vertical Horizontal Lines

UNIT 5

pages 44 - 45

  • locate ends

  • position arm & hand

  • short light lines

  • darken line in with continuous weight

horizontal line


Sketching arcs angles

90º

45º

30º

Sketching Arcs & Angles

UNIT 5

pages 44 - 45

  • estimating angles & degrees

  • divide 360º into quarters = 90º

  • divide 90º into;

    • halves for 45º

    • thirds for 30º

    • fourths for 15º


Sketching circles

Sketching Circles

UNIT 5

page 45

  • locate center

  • estimate half the diameter

  • draw a square

  • draw quarter circles lightly

  • darken circle in


Test your knowledge

Test Your Knowledge

UNIT 5

Take 2 minutes & answer questions on page 47


Horizontal vertical lines

Horizontal & Vertical Lines

UNIT 5

Take 3 minutes & draw lines on pages 48 - 49


Angles

Angles

UNIT 5

Take 5 minutes & draw angles in Activity 5-3 on page 50


Arcs circles

Arcs & Circles

UNIT 5

Take 5 minutes & draw arcs & circles in Activity 5-4 on page 51


Sketching

Sketching

UNIT 5

Take 10 - 15 minutes & draw swimming pool, floor plan, & parking lot in Activities 5-5, 5-6, & 5-7 on pages 52 - 54

END OF UNIT 5


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