- Understanding Solid Objects
- Understanding Sketching Techniques
- 3.1 Technique of Lines
- 3.2 Sketching Straight Lines
- 3.3 Sketching Circles, Arcs, and Ellipses
- 3.4 Maintaining Proportions
- 3.5 One-View Drawings
- 3.6 Pictorial Sketching
- 3.7 Projection Methods
- 3.8 Axonometric Projection
- 3.9 Isometric Projection
- 3.10 Isometric Drawings
- 3.11 Making an Isometric Drawing
- 3.12 Offset Location Measurements
- 3.13 Hidden Lines and Centerlines
- 3.14 Angles in Isometric
- 3.15 Irregular Objects
- 3.16 Curves in Isometric
- 3.17 True Ellipses in Isometric
- 3.18 Orienting Ellipses in Isometric Drawings
- 3.19 Drawing Isometric Cylinders
- 3.20 Screw Threads in Isometric
- 3.21 Arcs in Isometric
- 3.22 spheres in Isometric
- 3.23 Oblique Sketches
- 3.24 Length of Receding Lines
- 3.25 Choice of Position in Oblique Drawings
- 3.26 Ellipses for Oblique Drawings
- 3.27 Angles in Oblique Projection
- 3.28 Sketching Assemblies
- 3.29 Sketching Perspectives
- 3.30 Curves and Circles in Perspective
- 3.31 Shading
- 3.32 Computer Graphics
- 3.33 Drawing on Drawing
- Key Words
- Chapter Summary
- Worksheets
- Review Questions
- Sketching Exercises
This chapter is from the book
This chapter is from the book
This chapter is from the book
Sketching Exercises
Exercise 3.1 Sketch the objects shown using isometric, oblique, and one- or two-point perspective.
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Exercise 3.2 Quick Sketch.
Practice the sketching skills and techniques you have learned for construction lines and ellipses. Set a timer for 10 minutes and make quick sketches of these nine different containers.
Select one container and create isometric, oblique, and perspective drawings.
Design a new piece of drinkware, using your sketching skills.
Select one container. Draw an enclosing box and shade in the negative space so that the contour of the container remains white.
(a) (Copyright Vitaly Korovin/Shutterstock.)
(b) (Copyright Odua Images/Shutterstock.)
(c) (Copyright Olga Popova/Shutterstock.)
(d) (Copyright tanuha2001/Shutterstock.)
(e) (Copyright Africa Studio/Shutterstock.)
(f) (Copyright Everything/Shutterstock.)
(g) (Copyright S-Photo/Shutterstock.)
(h) (Copyright loskutnikov/Shutterstock.)
(i) (Copyright PERLA BERANT WILDER/Shutterstock.)
Exercise 3.3 Quick Sketch. Practice the sketching skills and techniques you have learned for construction lines and ellipses. Set a timer for 10 minutes and make quick sketches of these six different chairs.
(a) (Copyright violetblue/Shutterstock.)
(b) (Copyright Yeamake/Shutterstock.)
(c) (Copyright Atiketta Sangasaeng/Shutterstock.)
(d) (Copyright Ljupco Smokovski/Shutterstock.)
(e) (Copyright Aleksandr Kurganov/Shutterstock.)
(f) (Copyright Photobac/Shutterstock.)
Exercise 3.4 Quick Sketch. Practice the sketching skills and techniques you have learned for construction lines and ellipses. Set a timer for 10 minutes and make quick sketches of these tools.
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(a) (Copyright WilleeCole Photography/Shutterstock.)
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(b) (Copyright aodaodaodaod/Shutterstock.)
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(c) (Copyright Planner/Shutterstock.)
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(d) (Copyright Seregam/Shutterstock.)
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(e) (Copyright Ingvar Bjork/Shutterstock.)
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(f) (Copyright Yanas/Shutterstock.)
Exercise 3.5 Sketching. Practice the sketching skills and techniques you have learned for construction lines and ellipses. Set a timer for 10 minutes and make quick sketches of these items.
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(a) (Copyright Mile Atanasov/Shutterstock.)
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(b) (Copyright Mile Atanasov/Shutterstock.)
(c) (Copyright Olga Kovalenko/Shutterstock.)
(d) (Copyright Berents/Shutterstock.)
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(e) (Copyright Jiggo_thekop/Shutterstock.)
Exercise 3.6 Parking Meter. Create an oblique pictorial sketch of the parking meter shown here. Use construction lines to keep the features in proportion.
Exercise 3.7 Free-Body-Diagram Sketches. Sketch the free body diagrams as shown.
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Exercise 3.8 Rocker Arm. Create a freehand sketch. Use the dimensions to help in estimating proportions. Leave the dimensions off your sketch unless directed otherwise by your instructor.
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Exercise 3.9 Special Cam. Create a freehand sketch. Use the dimensions to help in estimating proportions. Leave the dimensions off your sketch unless directed otherwise by your instructor.
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Exercise 3.10 Boiler Stay. Create a freehand sketch. Use the dimensions to help in estimating proportions. Leave the dimensions off your sketch unless directed otherwise by your instructor.
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Exercise 3.11 Outside Caliper. Create a freehand sketch. Use the dimensions to help in estimating proportions. Leave the dimensions off your sketch unless directed otherwise by your instructor.
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Exercise 3.12 Gear Arm. Create a freehand sketch. Use the dimensions to help in estimating proportions. Leave the dimensions off your sketch unless directed otherwise by your instructor.
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Exercise 3.13 Special S-Wrench. Create a freehand sketch. Use the dimensions to help in estimating proportions. Leave the dimensions off your sketch unless directed otherwise by your instructor.