如何在CAD中快速绘制爱心

在CAD中绘制爱心是一种常见的图形绘制需求，无论是用于设计还是艺术创作，掌握快速绘制爱心的技巧都能提高工作效率。以下是在CAD中快速绘制爱心的详细步骤，以及一些实用的小技巧。

一、使用基本图形绘制爱心

打开CAD软件，创建一个新的图形文件。
在绘图区域，使用“直线”工具（Line）绘制一条水平线段，作为爱心的底部。
使用“圆弧”工具（Arc）绘制一个圆弧，连接水平线段的两端，形成一个半圆形。
使用“直线”工具，连接半圆形的两个端点，形成爱心的顶部。
使用“修剪”工具（Trim）修剪掉多余的线段，得到一个完整的爱心。

二、使用特殊命令绘制爱心

在CAD软件中，输入“Pline”命令，创建一个多段线。
按照以下顺序输入坐标值，绘制爱心的底部和顶部：

（1）绘制水平线段：0,0；0,50；

（2）绘制半圆形：50,0；0,50；0,0；

（3）绘制顶部直线：0,50；0,100；

使用“修剪”工具修剪掉多余的线段，得到一个完整的爱心。

三、使用图案填充绘制爱心

在CAD软件中，使用“图案填充”工具（Hatch）。
在“图案填充”对话框中，选择“用户定义”选项卡。
在“角度”和“间距”文本框中输入相应数值，设置图案填充的角度和间距。
在“定义图案”文本框中输入以下命令：

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