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# 幾何

調整所選 3D 物件的形狀。您僅能修改由平面物件轉換而成的 3D 物件之形狀。若要將某個平面物件轉換成 3D 物件，請選取該物件，按一下滑鼠右鍵，然後選擇 [轉換] - [成 3D] 或 [轉換] - [成 3D 旋轉體]。

若要使用此指令...

Open the context menu of the 3D object, choose 3D Effects - Geometry tab.

## 幾何

定義所選 3D 物件的形狀屬性。

### 邊角變圓

Enter the amount by which you want to round the corners of the selected 3D object.

### 深度比例

Enter the amount by which to increase or decrease the area of the front side of the selected 3D object.

### 最終角度

Enter the angle in degrees to rotate the selected 3D rotation object.

### 深度

Enter the extrusion depth for the selected 3D object. This option is not valid for 3D rotation objects.

## 分段

可以變更用於繪製 3D 旋轉體的區段數。

### 水平

Enter the number of horizontal segments to use in the selected 3D rotation object.

### 垂直

Enter the number of vertical segments to use in the selected 3D rotation object

## 法線

允許您修改 3D 表面的描繪樣式。

### 專用物件

Renders the 3D surface according to the shape of the object. For example, a circular shape is rendered with a spherical surface.

專用物件

### 平型

Renders the 3D surface as polygons.

平型

### 球型

Renders a smooth 3D surface.

球型

### 返回法線

Inverts the light source.

返回法線

### 雙面照明

Lights the object from the outside and the inside. To use an ambient light source, click this button, and then click the Invert Normals button.

雙面照明

### 雙面

關閉透過擠壓自由線條 (轉換 - 成 3D) 而建立的 3D 物件之形狀。

雙面