Materials
Materials
Drawing for Projects
Drawing for Projects
Relation between Drawing and Reality
100

Made of wood with lead in the centre

Pencils

100

Letter that indicates hard pencils

H

100

Freehand drawing of the mental image of an object

Sketch

100

How many main types of drawings are there?

three

100

Scale used for construction details

1:20 ("one to twenty")
200

Device used to measure angles

Protractor

200

The space between two points of the compass

Radius

200
Two things we need to know before we do a sketch

features and details of the objects

200

True or False: a diagram is less detailed than a sketch

FALSE, it is more detailed

200

gap or space between each part of a scale

interval

300

The appearance and feel of the paper

finish

300

Typical format of paper

A4

300

In a sketch, we can include graphic elements such as ...

arrows, different colors, and text 

300

A technical drawing is drawn ___ _______

to scale

300

a line marked at intervals on a drawing or map

graphic scale

400

Use this to draw circumferences or arcs

Compass

400

The metal point of a pen

nib

400

What does a diagram give us about the object

the measurements of the object

400

A diagram should have general ______ of the whole object and each piece

measurements

400

How many different scales does a scale ruler have?

six

500

One angle of 90° and two of 45°

Right-angle isosceles triangle

500
The way to express the weight of paper

grams (g/m^2)

500

DEFINITION: degree to which measurements are correct and clear

accuracy
500

TRUE or FALSE: a technical drawing is more accurate than a diagram

TRUE

500

What are the factors influencing choice of scale for a drawing?

- the real size of the object

- the size of the paper we do the drawing on

- the level of detail we need in the drawing