15-8. AutoCAD Drawing CIRCLE With the Mouse

How to draw a circle using a mouse in AutoCAD step by step

Command entry Circle in AutoCAD

If you want to draw a circle with a radius or diameter (radius or diameter), then you need to use the CIRCLE. (this is help for AutoCAD tangent to the circle)
On the toolbar, click DRAW CIRCLE button. Or with a text menu DRAW => CIRCLE => and choose the option of drawing a circle.
I recommend that you use a text menu, because you have more options. Refer to the Command Line prompt, as it may appear a request for additional elements.


CIRCLE command has 6 options for drawing circles.
Run Circle Command in Draw menu

The name itself tells us subcommand parameters by which we can draw a circle.

Draw a circle by Center - Radius


Draw a circle with center point and radius are made so you set the center point of the circle in the drawing and then you click on a location in the drawing, (or enter the radius of the Command Line)

When you click on a command and then first click on the desktop in the command line prompt appears clause that you can use. In this case we draw with the mouse and we'll click somewhere on the desktop of your choice and thus we define Radius (radius).

Command:
Command: _circle Specify center point for circle or [3P/2P/Ttr (tan tan radius)]:
Specify radius of circle or [Diameter]: [click your mouse and so we set the Radius]

Also if you want to enter Radius (radius) to do immediately after the first click

Command: _circle Specify center point for circle or [3P/2P/Ttr (tan tan radius)]:
Specify radius of circle or [Diameter] <50.0000>: 100 [size radius (radius)]
Draw a circle in AutoCAD



Draw a circle using CENTER - DIAMETER


If after the first click you type a letter (D) Diameter clause, meaning that in the next step is to enter the diameter of the circle.

Command: _circle Specify center point for circle or [3P/2P/Ttr (tan tan radius)]:
Specify radius of circle or [Diameter] <90.7457>: D
Specify diameter of circle <181.4913>: 200
Drawing Circle in AutoCAD


Draw a circle with the 2 Points


Draw a circle with the mouse using the two points is done by clicking first click to set tangent to the circle and then move the mouse to another the opposite point and click on the desired location. If we want after the first click, we can write Diameter dimension circle.
Drawing Circle in AutoCAD

Drawing Circle by Mouse


Draw a circle with 3 Points


I subcommand name says it all and here's the picture below
Drawing Circle in three steps with mouse


Draw a circle using the TAN - TAN - RADIUS (tangent - tangent - radius)


This sub-command of CIRCLE commands can be used in a way to determine which lines will all be touched by the tangent of the circle. (AutoCAD tangent to the circle)
Drawing Circle in 3 steps


Draw a circle using the TAN - TAN - TAN (tangent - tangent - tangent)


Use this clause if you want to put a circle inside a character, polygon, etc. (or, for example: the more lines). When you are on a line of sight appears to Tangent then click the mouse (AutoCAD tangent to the circle)
Drawing Circle in 3 steps

The result is shown below
Circle inside Triangle in AutoCAD


DONUT (fill circle)


If you want to draw a circle in a circle with it to be filled by the outer edge you need to use the DONUT. You need to use the Command Line prompt. After the first click is required to enter the inner circle Diameter + enter and then the external diameter of the circle + enter, you now appeared the outline of a circle and all you need is to click at a point where you want to place the drawing.
Donut Command in AutCAD

Command: _donut
Specify inside diameter of donut <50.0000>: 50
Specify outside diameter of donut <90.0000>: 90
Specify center of donut or <exit>:

Note the picture below. After run a draw DONUT command, or another command which uses the same filling can be avoided with the FILL command (ON/OFF). It includes a fill OFF turns off the fill. After using the FILL command is necessary to use the REGEN command (RE) to the image drawing regenerates.
Regen Command in AutoCAD



This command can also be used in drawing a Polyline with a width (which appears as a filled line)
NOTE: The circle has four magnetic tie points are called Quadrant. See the picture below.

AutCAD magnetic points on Circle

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