In this article of Mechanical Base we will show how to draw 3-Point Arc in Autocad. It is very useful command in Autocad that you can establish your arcs by selecting three points in drawing scheme. You can find detailed information about how to use 3-Point arc command and what are the features of this command in Autocad.
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To draw an arc by selecting of three points in drawing scheme of Autocad, click on the 3-Point Arc command as shown by red arrow above.
After entering into the 3-Point Arc command, specify the first point as shown by red arrow above in Autocad.
After specifying the second point, the arc will be shown as above, and you can put your third point with your cursor. The arc will be shaped according to this third point that selected in Autocad.
We selected our third point in 3-Point Arc command as shown by red arrow above. Our Arc is created in Autocad.
After entering into command, you can select the Center option as shown by red arrow above in 3-Point Arc command.
After clicking on Center option in Autocad, you select the Center of arc first as shown by red arrow above.
After selecting the Center point of 3-Point Arc in Autocad, select the starting point as shown by red arrow above, then select the ending point of arc as shown by green arrow above.
The arc created as above. This Center option of 3-Point Arc command of Autocad provides the selection of center first, then placing the arc properly by selecting starting and ending points.
Drawing Arcs with 3-Point Arc is very easy like that in Autocad.