Auto Cad Commands for Drawing a Circle

Circles and Ellipse command

Circles

The circles are widely used in design and drawings.

The circle command is used to describe a circle past specifying the center point and radius.

Let'due south empathize by two examples.

Instance 1:

The steps to create a circumvolve are given below:

1. Click on the Circle icon on the Ribbon Panel, equally shown in the beneath image:
   
   OR
   Type Circle or C on the command line and press Enter.
2. Specify the center point of a circle on the workspace or viewport.
3. Specify the radius of the circle.
   Or
   To specify diameter, type D - printing Enter - specify the diameter of the circumvolve.
4. Press Enter.

Instance two:

We can also create the circle randomly. The steps are listed below:

1. Click on the Circle icon on the Ribbon Console, equally shown in the beneath image:
   
   OR
   Type Circle or C on the command line and press Enter.
2. Specify the eye indicate of a circle on the workspace or viewport.
3. Specify the endpoint of the radius through the cursor.

Types of Circles

There are three types of circles, which are listed below:

1. 2 point circle
2. iii bespeak circle
3. Tangent circle

1) two Indicate circle

We tin create a circumvolve by specifying the two endpoints.

The altitude between the two specified endpoints will be considered equally the diameter of that circumvolve.

Let's understand with an case.

Example: A circle between two lines.

The steps to create a 2-indicate circle are listed below:

1. Select the ii-Indicate circle choice from the drop-down list of the circle, as shown in the beneath prototype:
   
   Or
   Type C or Circle on the command line - Printing Enter- type 2P - printing Enter.
2. Click on the first endpoint of a circumvolve diameter. Nosotros tin also type the value to specify the endpoint.
3. Click on the second endpoint of a circumvolve diameter through the cursor, equally shown in the below image:
   
   We can specify the endpoints according to the requirements.
4. The circle will be created, as shown in the beneath paradigm:

ii) 3 Point circle

We can create a circle by specifying the three endpoints.

Let's empathise with an instance.

Case: A circle between iii edges.

The steps to create a three-point circle are listed below:

1. Create iii edges.
2. Select the 3-Point circle option from the drop-down list of the circumvolve, as shown in the below image:
   
   Or
   Type C or Circumvolve on the command line - Press Enter- type 3P - printing Enter.
3. Click on the first point.
4. Click on the second point.
5. Click on the third point.
   The three points are shown in the below image:
   
6. The circumvolve will be drawn, as shown in the below epitome:

Tangent circle

The tangent circle command is used to draw circles on the tangent.

There are two types of the tangent circle, that appear on the drop-down list of the circumvolve icon on the ribbon panel, as shown in the below paradigm:

Let's understand with three examples.

Case 1: Tan, Tan, Radius

The steps to create a Ttr (Tangent tangent radius) circle are listed below:

1. Draw two lines in the viewport, as shown in the below image:
   
2. Select the Tan, Tan, Radius circle pick from the driblet-down listing of the circle on the ribbon panel.
   Or
   Type C or Circle on the command line - Press Enter- type ttr - press Enter.
3. Click on the get-go signal on the first tangent.
4. Click on the 2d point on the other tangent.
5. Specify the radius of the circle. For example, four.
6. The circle will be drawn on the two tangents, as shown in the beneath image:

The circumvolve will exist adjusted according to the specified radius.

Instance 2: Tan, Tan, Tan

The steps to create a (Tangent tangent tangent) circumvolve are listed below:

1. Draw three lines on the viewport, equally shown in the below image:
   
2. Select the Tan, Tan, Tan circle option from the drop-down listing of the circle.
3. Click on the kickoff point on the first tangent.
4. Click on the 2nd betoken on the 2d tangent.
5. Click on the third point on the third tangent.
6. The circle volition be drawn on the 3 tangents, as shown in the beneath prototype:

Nosotros can change the tangent and points co-ordinate to the requirements.

Instance 3: Tan, Tan, Radius

To create a circle inside a triangle

The steps to create a circle within a triangle are listed below:

1. Draw a triangle in the viewport, as shown in the below image:
   
2. Select the Tan, Tan, Radius circle option from the drop-downwardly list of the circumvolve. Or
   Type C or Circle on the command line - Printing Enter- type ttr - printing Enter.
3. Click on the first betoken on one side of the triangle.
4. Click on the second and third points on the other side of the triangle.
5. The circle will exist drawn within the circle, equally shown in the below image:
   

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Source: https://www.javatpoint.com/autocad-circles-and-ellipse-command

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