# 圆

## 绘制圆

使用“圆”工具，可在空间中或其他对象上绘制圆。

键盘快捷键：C

![](/files/etYAvLHTMusYy8UNGy7K)

要绘制圆，请先选择圆心，然后指定圆半径。接下来，圆将自动成为面。

![](/files/LEiVKushbxrOmYabzjnV)

![](/files/BZvFoyZAkIK3VxVIlNOn)

## 编辑圆

还可以通过在已放置的圆上单击鼠标右键，然后选择底部的“编辑圆”，来修改该圆：

<figure><img src="/files/CWlm7QhHUgDIq7bQw3ZQ" alt=""><figcaption></figcaption></figure>

“编辑圆”夹点将显示，以便可以更改圆的大小或方向。新的圆在编辑时会显示为轮廓。

您将看到几个夹点出现：

* 中心夹点控制圆的原点
* 沿边缘的夹点控制圆的半径
* 顶部夹点控制圆的法线/方向

<figure><img src="/files/JsPDjy7hgi2EdH1dVPwG" alt=""><figcaption></figcaption></figure>

要完成编辑，请通过单击空白区域或点击“ESC”键以退出该工具。新圆即会替换当前圆。


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