1. Architectural Graphics - I
Kurdistan Region-Iraq
Ishik University
Department of Architecture
Architectural Graphics - I 3
Sketching (Freehand Drawing) & Lettering
By:
Nizar Najim
Assistant Lecturer

2. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
After studying the material in this chapter, you should be able to:
1. Create freehand sketches using the correct sketching techniques.
2. Sketch parallel, perpendicular, and evenly spaces lines.
3. Sketch a circle and an arc of a given diameter.
4. Use techniques to keep your sketch proportionate.
5. Enlarge an object using grid paper.
6. Sketch various line types.
7. Add lettering to a sketch.
8. Create and read a drawing at a specific scale.
9. Use standard sizes for drawing sheets.

3. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.1. Sketching Straight Lines:

4. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.2. Sketching Circular Lines:
Drawing an Arc:
Drawing a Circle:
Sketching Circles Using the Hand-Compass Method:

5. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.3. Measurement & Proportion:
Using Your Pencil to Establish Measurements on a sketch:

6. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.3. Measurement & Proportion:
Block Technique for Sketching:

7. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.3. Measurement & Proportion:
Sketching Irregular Shapes:

8. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering

9. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
TOM Q. VAXY

10. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering

11. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.5. Tonal Value:
Through the interplay of tonal values we are able to:
Describe how light reveals the form of objects.
Clarify the arrangements of forms in space
Depict the color and texture of surfaces

12. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.5. Tonal Value:
Color and texture of surfaces

13. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.5. Tonal Value:
There are several basic techniques for creating tonal values:
Hatching.
Crosshatching.
Scribbling.
Stippling.

14. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.6. Value Scale:

15. Architectural Graphics-I: 3. Sketching (Freehand Drawing) & Lettering
3.5. References:
1. Ching, Francis D.K., Architectural Graphics, Sixth Edition, John Wiley& Sons, Inc., Hoboken, New Jersey, 2015
2. Jefferis, Alan, Architectural Drafting and Design, Sixth Edition, Delmar Cengage Learning, 2011
3. WALLACH, PAUL ROSS, fundamentals of Modern Drafting, Second Edition, Delmar Cengage Learning, USA, 2014
4. Internet