Get familiar with orthographics:
First of all there are two different types of orthographic projections that are commonly used within industry.
Third Angle
This third angle projection is the most commonly used, the plan view at the top, with the front view directly below and the side view horizontal to the front. |
First Angle
This is less commonly used but still acceptable. It shows the plan view underneath the front view with the side view being horizontal to the front. |
Below is a video that helps to show where the 3 drawings on an orthgraphic projection originate from.
As you can
see, although they may look complicated in the begining, orthographic drawings are
just a way of drawing a 3D shape from different viewpoints then laying these differing views beside one another on a page. The image below the video should help clarify this even more.
Orthographic drawings/working drawings are used within industry to provide clear information about the design of a product. These drawings give instructions on how the product should be made. the advantages of this are that...
...everyone can understand the drawings
...it is very easy to understand all the views
...the views are very accurate and don’t have any form of distortion
...the drawing contains all the necessary measurements
...and all of the information on how to create the product are in the same place.
Orthographic drawings/working drawings are used within industry to provide clear information about the design of a product. These drawings give instructions on how the product should be made. the advantages of this are that...
...everyone can understand the drawings
...it is very easy to understand all the views
...the views are very accurate and don’t have any form of distortion
...the drawing contains all the necessary measurements
...and all of the information on how to create the product are in the same place.
Here are examples of orthographic projections. As you can see they're are detailed views of the product from many angles. in other orthographic drawings the scales are easily seen, all the necessary measurements are present and they will be titled.