3P's

Question 1

What are the 3P’s?

Answer 1

Preliminary, Production, Promotional

Question 2

How are productional drawings used?

Answer 2

Used by architects, engineer and manufacturers to make a product and therefore must contain as much information as possible about the product. This can include dimensions, moving parts, material choice and can be shown on orthographic views, sectional views, exploded drawings, assemblies etc.

Question 3

Where are preliminary drawings used?

Answer 3

Used in the initial planning stages of a product. Often consists of “concept” sketches which are quick, small and rough sketches showing your ideas.

Question 4

Where are Promotional drawings used?

Answer 4

Used by the sales and marketing department to advertise the product and can be in the form of brochures, posters, leaflets, displays etc. It must be eye catching and effective.

Question 5

What are the advantages of preliminary drawings?

Answer 5

• They are quick to produce
• They are a good way of recording designs
• They can be produced using cheap equipment
• They are useful when communicating ideas to a client or colleague

Question 6

What are the disadvantages of preliminary drawings?

Answer 6

• They are not normally drawn to scale

- They are not normally dimensionally accurate

Question 7

What are the advantages of production drawings?

Answer 7

• They are important when are to be manufactured
• They can show how components are assembled
• The drawing standards are used world wide
• They are understood in all languages
• A library can be set up of reusable parts

Question 8

What are the disadvantages of production drawings?

Answer 8

• Training or knowledge is needed to produce them
• They are time consuming to produce
• costly specialist equipment is required

Question 9

What are the advantages of promotional drawings?

Answer 9

• They can be animated to create visual appeal
• They can be placed in a visual environment to enhance realism
• They can show the customer what the product will look like
• They can look realistic

Question 10

What are the disadvantages of Promotional drawings?

Answer 10

• They require knowledge and skill to produce
• They can give a false impression of the product
• You can’t physically handle a rendered model