What is orthographic projection in autocad?

What is an orthographic view in AutoCAD?

Orthographic drawings display two-dimensional views of piping, valves, equipment, and structural steel in Plant 3D models. The drawings can have annotations, dimensions, matchlines (plan view only), pipe gaps, and can show or hide lines and objects. Here is an example showing a single view.

What does orthographic projection mean?

Orthographic projection, common method of representing three-dimensional objects, usually by three two-dimensional drawings in each of which the object is viewed along parallel lines that are perpendicular to the plane of the drawing. …

How do you make an orthographic projection in AutoCAD?

To Create an Orthographic View (AutoCAD Mechanical Toolset)

1. In the Browser, right-click the Base view icon, and then choose New View. …
2. In the Create Drawing View dialog box, select the view type Ortho, and choose OK.
3. Select a location for the orthographic view directly below the base view, and then press ENTER.

How many views do you need orthographic projection in AutoCAD?

In some cases only 2 views are needed, but for anything more than a simple part, 3 or more views are needed. Very complex parts will need 6 or more.

How do you construct an orthographic projection?

Creating an Orthographic Projection

1. Choose a front view. …
2. Decide how many views are needed to completely describe the object. …
3. Draw the visible features of the front view.
4. Draw projectors off of the front view horizontally and vertically in order to create the boundaries for the top and right side views.
5. Draw the top view.

How do I create a multi view drawing in AutoCAD?

To Create Multiple Drawing Views

1. In the Browser, choose the Drawing tab. …
2. Double-click a Layout to make it the active layout.
3. Right-click the Layout icon, and then choose New View.
4. In the Create Drawing View dialog box, …
5. Select the location of the projected view.
6. Continue placing as many views as desired.
7. Press ENTER to exit the command.

What are the two main types of projection?

The most common types are the perspective and orthographic projections.

What is another name for orthographic projection?

Orthographic projection (sometimes referred to as orthogonal projection, used to be called analemma) is a means of representing three-dimensional objects in two dimensions.

What are the two types of orthographic projections?

First angle projections and third angle projections are the two main types of orthographic drawing, also referred to as ‘working drawings’. The difference between first and third angle projection is in the position of the plan, front and side views.

What is first angle projection definition?

First-angle projection: In this type of projection, the object is imagined to be in the first quadrant. Because the observer normally looks from the right side of the quadrant to obtain the front view, the objects will come in between the observer and the plane of projection.

What does 3rd angle projection mean?

3rd Angle project is where the 3D object is seen to be in the 3rd quadrant. It is positioned below and behind the viewing planes, the planes are transparent, and each view is pulled onto the plane closest to it. The front plane of projection is seen to be between the observer and the object.

How many views do you need for an orthographic drawing?

three

What is an advantage to using blocks in your drawing?

Another benefit of using blocks is that it provides consistency from drawing to drawing while reducing file size. Once a block has been created, instead of having a number of individual objects within the drawing, you will only be required to have another instance of the block itself.

How many layers should a drawing have?

Layer 0 cannot be deleted or renamed to ensure that every drawing includes at least one layer. In general, you should always create several new layers with which to organize your drawing, rather than create your entire drawing on layer 0. These layers can be saved in a drawing template (a file with a .