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4.7 上机实训二——绘制沙发组构件
通过上述各小节的详细讲述,相信读者已经对各种修改工具有了一定的认识和操作能力。下面通过绘制沙发组构件,在巩固所学知识的前提下,对本章所讲知识进行综合练习,如图4-79所示,具体操作步骤如下。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-128-188.jpg?sign=1738915093-sullAEjyfsr2OqARvfdoayPiM04gA8aN-0-8ac76716f10debbe3cd6d9bf7beafc5d)
图4-79 沙发组构件绘制效果
Step 01 单击“标准”工具栏→“新建”按钮,新建绘图文件。
Step 02 激活状态栏上的“对象捕捉”和“对象追踪”功能,并设置捕捉模式为“中点”捕捉和“端点”捕捉,如图4-80所示。
Step 03 执行菜单栏“视图”→“缩放”→“中心”命令,将视图高度调整为2400个绘图单位。
Step 04 使用快捷键REC执行“矩形”命令,绘制长度为950个绘图单位、宽度为150个绘图单位的矩形,作为沙发靠背轮廓线。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-1.jpg?sign=1738915093-iXguLm8WSDD6Hj8CqRV973wAE5dJVuPO-0-d8c63bbb6093e7f43933e1380c7730d2)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-184.jpg?sign=1738915093-husD5gQYN6Hhaew8wxNeSEIvohUOovV6-0-556b322ce0b74589677b06faf0079029)
图4-80 设置捕捉模式
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-185.jpg?sign=1738915093-xBMAM987ne2ATNP1fnx6XFGrM6Xzw66k-0-262f21e8a2c5d2d9ef92e5569ecee3bf)
图4-81 沙发靠背轮廓线绘制结果
Step 05 重复执行“矩形”命令,配合捕捉自功能绘制扶手轮廓线。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-2.jpg?sign=1738915093-rCBswJSte0MvaFGrE2UOIfN4TXcpEvWC-0-a970989c1492141cf0010f2effef71bf)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-208.jpg?sign=1738915093-XFVjDaVYw3SoYBh8cy44DbuBADetzW3v-0-dda1d309ce4807838e2e594a70beee80)
图4-82 捕捉端点(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-209.jpg?sign=1738915093-FkawNy8Rt7BV1YKm5dF4sUKcYQUcmA4X-0-410de37d650bc263fdf58414883087db)
图4-83 捕捉端点(二)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-210.jpg?sign=1738915093-nWzRAGSPv7e88WNBNyVVJLUtKoADtk7d-0-6870d936eedeb786333ef6e6f0630b78)
图4-84 扶手轮廓线绘制结果
Step 06 执行菜单栏“修改”→“分解”命令,将3个矩形分解。
Step 07 执行菜单栏“修改”→“偏移”命令,将最上侧的水平轮廓线向下偏移750个绘图单位,将两侧的垂直轮廓线向内偏移90个绘图单位。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-3.jpg?sign=1738915093-Gun5TprSouccQgoIMjcMlZm1zMvWfd9A-0-adea7290770ef712f010e5fe4246c63d)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-1.jpg?sign=1738915093-gS4zDY1UezdLNbgwdiBR9338LfB7Mdqz-0-dc90aba3fecc24118ac128724434aefa)
Step 08 执行菜单栏“修改”→“延伸”命令,以最下侧的水平轮廓线作为边界,对其他两条垂直边进行延伸。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-2.jpg?sign=1738915093-VnaxsBdzCiwP2Ma2wgzB7GKqFupwSDhX-0-d3bc58ea3e3b843053f0d37812d9092f)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-205.jpg?sign=1738915093-wqCFbLhyfFEOeKE5vK7ce32zvvD2BOra-0-1ff83fbd9119e48803f1da9b8fa1927f)
图4-85 偏移结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-206.jpg?sign=1738915093-3HIPEZ1bGjnXOjsMKdPJy5UPIZAaVguc-0-0338bb4abc59588a51153cf1b3acb348)
图4-86 选择边界
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-207.jpg?sign=1738915093-AFb1HwG7zW92YpzH355Q6w6nqHrkO5tU-0-3c110e2fc7d1b077f2ac13e80567bb72)
图4-87 延伸结果
Step 09 执行菜单栏“修改”→“修剪”命令,对下侧的水平边进行修剪。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-3.jpg?sign=1738915093-GBnoI8ok79YUCiMAPruhgcIx5qA4YZ0k-0-1e1b74738cb18593e45938fa40449ead)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-184.jpg?sign=1738915093-sfk4CEQmFXdJfRfydhoQ6CVMGVrPXDZ4-0-aec01f90bdd0f3dd02df14b6cd87c24d)
图4-88 选择边界
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-185.jpg?sign=1738915093-Fq8H6Od0UNa1qKk2XOeey1Eo7sqPtlwC-0-88118cd5b387e2ed635ae36612f8a8cd)
图4-89 修剪结果
Step 10 执行菜单栏“修改”→“拉长”命令,对内部的两条垂直轮廓边进行编辑。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-1.jpg?sign=1738915093-s7nFaZLREDOOU5I5CnW4HHiMXclVlFGB-0-beae1b2355b2c1dc5873426fbeb8a314)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-208.jpg?sign=1738915093-9h0Y2MqrPG7mlV5ar9QMj6YIaVL8Z58A-0-7d63f8b850f3d0fdf24696fa47c3e7fd)
图4-90 单击指定位置(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-209.jpg?sign=1738915093-LU8LSmXpPosMizPoLmMzDvf8Z04xNlXi-0-5aefaa8b2716feba602464a4a605ce4a)
图4-91 单击指定位置(二)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-210.jpg?sign=1738915093-Dmrk3znib1fESVc6BdaVnOeMT8DPcBtw-0-e0207872e76b56c68eecc668963865fe)
图4-92 操作结果
Step 11 执行菜单栏“修改”→“倒角”命令,对沙发靠背轮廓边进行倒角编辑。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-2.jpg?sign=1738915093-NMMj07xwaIlRUiNArbp66Ttgauc5B0Q9-0-3b685cd7b005b3223dc0c1813fe1bc86)
Step 12 使用快捷键L执行“直线”命令,配合端点捕捉功能,绘制水平轮廓边,如图4-95所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-183.jpg?sign=1738915093-CTljcQueJ1kZBcLlqjtylwSYeuIA6SSq-0-998238cbd11483522dd45295b8c1e841)
图4-93 定位倒角边
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-184.jpg?sign=1738915093-a95wvHdsmmWwGhSLFUPBZwooRPU7vewb-0-dec948abf924b4dc7142d700e4b86a1c)
图4-94 倒角结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-185.jpg?sign=1738915093-niZiiY7XbABdAOgpqrjLU34wRE3rUnBc-0-55467c6fdcd3396b350134272554b6f5)
图4-95 水平轮廓边绘制结果
Step 13 单击“默认”→“修改”→“圆角”按钮,对下侧的轮廓边进行圆角。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-1.jpg?sign=1738915093-QQeE5EnqppJNadqxD2Igd9jV9Cy100KE-0-bf6f3fda0ffc818f23da47619e2b7598)
Step 14 在无命令执行的前提下,拉出窗交选择框,如图4-98所示,然后按住鼠标右键进行拖曳,当松开鼠标右键时,从弹出的快捷菜单中选择“复制到此处”选项,对其进行复制,如图4-99所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-230.jpg?sign=1738915093-kHu4bJ6nvuiXXctlzedQ8dx7rgBJ7miG-0-14a3e311aa5bdc9042dd451c6f3c7160)
图4-96 定位圆角边
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-231.jpg?sign=1738915093-LaFKT5MSZH732opC1tBFDAA5wUDjoGpW-0-1e24076f323f4a59552690932b22d137)
图4-97 圆角结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-232.jpg?sign=1738915093-a45CPEmuODG0UMl1wxgVvx7hg8RZ4Vuh-0-c3008a8bae4680497a5b9007242bb0cf)
图4-98 窗交选择
Step 15 重复上一步操作,将沙发图形再复制一份。
Step 16 单击“默认”→“修改”→“拉伸”按钮,配合极轴追踪功能,将复制出的沙发拉伸为双人沙发。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-2.jpg?sign=1738915093-7eaWNUwDcxuaeejmjlJGx9svs7pZcEx8-0-4bfba23d58e6a352da4b208e0bf53b95)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-184.jpg?sign=1738915093-rvV7uzSEIaNjJmIPsyE78kAqexZUdIvH-0-861ff795686e30f52d968f82e961410f)
图4-99 快捷菜单
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-185.jpg?sign=1738915093-opIoNAfyd6Pt71Nd5cNXmfM2xVUJxuZG-0-da8e879acea01acfc8850cc13c0cd6bb)
图4-100 窗交选择
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-186.jpg?sign=1738915093-nzLeruEpf0MpcchnYlXY36IMCFQENeaR-0-781bb1131a8cd7b69de70de20fe9803c)
图4-101 引出极轴矢量
Step 17 使用快捷键L执行“直线”命令,配合中点捕捉功能绘制分界线,如图4-103所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-209.jpg?sign=1738915093-Y9v0tLJCzERBVurzM2hrTtSCZe8kag4L-0-e648bae281cb20077780ea9c6b3c2986)
图4-102 双人沙发拉伸结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-210.jpg?sign=1738915093-BiuCODeUf5bq4U4MD64ynuJ4yieaplHJ-0-7b142481a27e666514e8e478cdcae47b)
图4-103 分界线绘制结果
Step 18 重复执行“拉伸”命令,配合极轴追踪功能,将另一个沙发拉伸为三人沙发。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-1.jpg?sign=1738915093-mLRQLgJyIlqOq5n5l0QMsnoTeWPtMhGs-0-01045477ad066bb4785cb0b09b4a2994)
Step 19 使用快捷键L执行“直线”命令,配合对象捕捉功能绘制两条分界线,如图4-105所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-255.jpg?sign=1738915093-Yt4FGCRRaV7h9Stb6o67JarBzwlJqFxV-0-b815552a2ce637b05702ad728275cd20)
图4-104 三人沙发拉伸结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-256.jpg?sign=1738915093-5XGRPohlFMyEZW5nqVQWxFZ53UZTWhnb-0-09543ee70360840f7881a2850676b14d)
图4-105 两条分界线绘制结果
Step 20 单击“默认”→“修改”→“旋转”按钮,将双人沙发旋转90°。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-2.jpg?sign=1738915093-E2nTHzSZYS0JcQWlZsX8nYfYcYJxEoH4-0-656c1788c4103584656c77088535357e)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-279.jpg?sign=1738915093-TngFYrDyZ2lVMMAfi1O3M1SSPeZ1OvmB-0-28c4e73d5333b09dc35c4a2d77167931)
图4-106 窗口选择
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-280.jpg?sign=1738915093-lw8Lb91EO5JBZm5G1gqzpUKKj9ePN2xk-0-67061372c9bffd0916726c1506eb3eb9)
图4-107 旋转结果(一)
Step 21 重复执行“旋转”命令,将单人沙发旋转-90°。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-1.jpg?sign=1738915093-ZWyjI2ug9nKeGc2LNeiPxLpeqYIxdnbm-0-9d44ce9847d9bf9a836a0af1f5b9038b)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-205.jpg?sign=1738915093-2Ng9g1BxdoDuNoPvZfh5nNeif1roAMW8-0-cd35723598688c9a92ac33ec1d1c1ec9)
图4-108 选择单人沙发
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-206.jpg?sign=1738915093-EBrCLrLzBjjMAdaxPj5bkrHOCCokfdhX-0-89f824785e5e431d0915d0ec61af0f85)
图4-109 旋转结果(二)
Step 22 使用快捷键M执行“移动”命令,将单人沙发、双人沙发和三人沙发进行位移,组合成沙发组,组合结果如图4-110所示。
Step 23 使用快捷键REC执行“矩形”命令,绘制矩形作为茶几,如图4-111所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-251.jpg?sign=1738915093-3ck0DUHXiRoOFLLw2JMMY2LZ57NEQc6C-0-c8b6de6cbe17a32fb4cdf59d7622781d)
图4-110 组合结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-252.jpg?sign=1738915093-gjkKmPbP77ZlbKw9p3grWKfA3gWUSi4h-0-94e0bcfb29a74c6ac6d1058226aa1010)
图4-111 绘制结果
Step 24 单击“默认”→“修改”→“旋转”按钮,将图4-111中的沙发组旋转180°。旋转结果(三)如图4-112所示。
Step 25 执行“缩放”命令,配合两点之间的中点功能对茶几进行缩放复制。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-2.jpg?sign=1738915093-YfZB1clrYUkhtBludSq2DY1kULgDnMLw-0-e630a2fdc69460e46683c426b6e8bb84)
Step 26 使用快捷键H执行“图案填充”命令,打开“图案填充和渐变色”对话框,设置填充图案和填充参数,如图4-114所示。为茶几填充图案,填充结果(一)如图4-115所示。
Step 27 重复执行“图案填充”命令,打开“图案填充和渐变色”对话框,设置填充图案和填充参数,如图4-116所示。为沙发填充图案,填充结果(二)如图4-117所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-187.jpg?sign=1738915093-kxpjeUMzUfjGTN3cdZwORKOnXQxFpoZ2-0-b4ab53c4d665c4656d4922667ca67df9)
图4-112 旋转结果(三)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-188.jpg?sign=1738915093-4TSGHdJu1qTRL5JosSQTRd1stRMQNpjQ-0-360ce1bf7dd703fcd1b2a2121f607b60)
图4-113 缩放复制结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-189.jpg?sign=1738915093-AOeKJkP8E5iGjRNGVyfEIEdtCbbVCPHB-0-9a3a80aa76d7076f2ea814523f5cbe70)
图4-114 设置填充图案和填充参数(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-190.jpg?sign=1738915093-DSz1DWnIfTs6pob6F9I6cHtgBpo8J5LR-0-bd288070e8217ae66bf7be0377665209)
图4-115 填充结果(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-191.jpg?sign=1738915093-1Lb4Bk4nMCSbBDZqcUj7FXMQ3Z0Wwm1i-0-ab76d9a004b84c8638e13095056e45f2)
图4-116 设置填充图案和填充参数(二)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-192.jpg?sign=1738915093-FW6zM07cxkHsaBqeU154a7tzKO6ePtj8-0-8f2f37b8e0390b9c28219a3f8cdbd8e2)
图4-117 填充结果(二)
Step 28 重复执行“图案填充”命令,打开“图案填充和渐变色”对话框,设置填充图案和填充参数,如图4-118所示。为沙发填充图案,填充结果(三)如图4-119所示。
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-215.jpg?sign=1738915093-m04JLOcffmKdp0ibHUlj5CrNrQIdof2C-0-d20128b2c970e5be26df6d34fbc70531)
图4-118 设置填充图案和填充参数(三)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-216.jpg?sign=1738915093-6AX2PVbKLZ6AXUenNV4ZIQZAovNZU7tw-0-d39aeaec99bb987008d2b039c48f5665)
图4-119 填充结果(三)
Step 29 执行“保存”命令,将图形存储为“上机实训二.dwg”。