UNIT 2: TECHNICAL DRAWING
- What is technical drawing?. Drawing instruments.
Activity 1. Write this vocabulary in your notebook and learn it by heart.
Activity 2. Click here and read the text in the chapter "¿Qué es el dibujo técnico?". Then, write a summary in English in your notebook.
Activity 3. Commercial papers have standardized sizes called formats. Go to slide 3 in the next presentation and draw in your notebook the format A0 (sheet holded by the kids) and its size. Write the sizes of the other formats (from A1 to A5).
Activity 4: Read the next presentation, which contains information about the basic drawing instruments.
Activity 5. In your computer, do the following Educaplay activity.
Activity 6. Do the Educaplay activity below, and write the whole text in your notebook.
Look at the image below to learn how to to draw parallel and perpendicular lines with the set squares. In case you still don't understand it, click here.
Activity 7. In a sheet of paper, draw this figure using drawing instruments (ruler and the set squares).
- Drawing techniques (I): Views
Activity 8. Write this vocabulary in your notebook and learn it by heart.
Activity 9. Read the information below about the views and how to draw them. Then, write a scheme in your notebook, as well as the example on the right.
Activity 10. Systems for representing the views: First angle projection (European System) and third angle projection (American System). Click here to study the difference between both systems. In your notebook, draw the views of one of the examples in the presentation above in European system and in American system.
Activity 11. In sheets of paper, and using drawing instruments, draw the main views (European system) of these objects. Consider 1 cm each segment in the grid.
- Drawing techniques (II): Perspective or 3-D drawing.
In this presentation (slides from 15 to 17) you have the principles of perspective in Spanish. Once you understand the theory, it's time to practice.
Activity 12. In sheets of paper, and using drawing instruments, draw three pieces (from activity 10) in cabinet perspective and three different in isometric perspective.
- Dimensioning
Read these presentations about dimensioning.
Dimensioning from Isabelop
Activity 13. In your notebook, draw and dimension the figures in pages 14-15 of this document:
ejercicios_dibujo_2º_eso.pdf |
Solutions:
dimensioning_solutions.pdf |
- Drawing techniques (III): drafts, sketches and plans.
Activity 14. Click here to understand the differences between "boceto" (draft or rough sketch), "croquis" (sketch) and "plano" (plan, technical drawing or engineering drawing). Write that differences in your notebook (in English).
The next video shows the differences between every drawing.
The next video shows the differences between every drawing.
Activity 15. In your notebook, draw sketches of 4 objects from the following list: table, armchair, car, school bag, sharpener, handsaw, washing machine, house, bridge, smartphone and laptop. You have to draw two of them with their views and the other two with a perspective. Don't forget to incorporate the dimensions correctly. You can find lots of examples on the internet just by typing the key words "sketch+name of the object".
- Scales
Activity 16. In your notebook, do the exercises in the next file:
scales_exercises.pdf |