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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=1739303593-WDR9ri7NXMLWBdik5PQoqtfa2LBp1qJP-0-bcea96ded0401c7772b98673fc459365)
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=1739303593-OBE6vCi31L5Pifv9Stx76CpMIb0Fkdai-0-44dee145e2bd9ae527c3a3fab489aa2a)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-184.jpg?sign=1739303593-TCzNarGeZ3BZnuMrWOrECKbW0n1kBpGt-0-373812ace4193e48ddade3cf80e94284)
图4-80 设置捕捉模式
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-185.jpg?sign=1739303593-nA2GcrS1g152Gr4PfjTGeT3htQm3grj1-0-c435d82a494b14a94c8b48e8d0ee84c5)
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=1739303593-7B4Jq0M1wbXlowpajy6J2gqAafeoDFzU-0-780514e18002343012b81727c4a5840a)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-208.jpg?sign=1739303593-qngpt4mRXJYp5VNKziU5d4t5Yqa5jbTt-0-982486fb046e3cfbd16ca9c83bf07784)
图4-82 捕捉端点(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-209.jpg?sign=1739303593-VLgvlQh2J3Lee11oZz7gWiXQYhHXCQdN-0-458e6d55be06ca08a745d7ad42345341)
图4-83 捕捉端点(二)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-129-210.jpg?sign=1739303593-9CbJIcf08GomVngTcvIRp37szFkZfbNf-0-43412670bcbe9e24c5afb2f841df8823)
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=1739303593-KTEIoqk1icEHrDrDgTkGgHeMC5XXwRT4-0-207a036eee465e263ce5c8752e1fd347)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-1.jpg?sign=1739303593-jZ7AXMjgmprLikB7p0u44xNt1Un6tdW1-0-9f36e2de5fb0061092759464353778fc)
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=1739303593-ua2HwzUTEUq2SfRc2Oz8Z3sVBi4RL5ra-0-5738d686a1fba86302997336d68a3f25)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-205.jpg?sign=1739303593-pEVBhLDxUIW7F01cX3MnVZRgGHWpHS3m-0-5a86a2c30ad1f9e65d0dda2c47a6a1e5)
图4-85 偏移结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-206.jpg?sign=1739303593-t8A9v83Ijtwskz95Mj5MbTam4l7vEcI9-0-f02a941f76517ffd7feabb9f3d28b58d)
图4-86 选择边界
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-130-207.jpg?sign=1739303593-NowW1470g2ukLMr4PYjrIjcs7BtilPUA-0-cbefb3ab8478ef178195d577cb221104)
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=1739303593-0ropHBWUtSTfqcdSdJmhAyox96WuUp1p-0-5e542a84e45b8cb605143d1fd844b0e2)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-184.jpg?sign=1739303593-mciCNh7DoDJGLDps8phIgLAix0p739lG-0-16459978f537b9204ca684e373505a70)
图4-88 选择边界
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-185.jpg?sign=1739303593-0ZvnB3ng7zzFW6SZHZH6rt3ODFXobGm4-0-23132bc113dddd044f972ad607df5601)
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=1739303593-FHyPKHirqTvcIA24bVYVS594ROfipg2Q-0-e16ef74fd7fb39954cf7a393d8bb2ff3)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-131-208.jpg?sign=1739303593-q2uufLpGgblwZMPseWXbXpyLaUzgbHEo-0-4ebe8a1d3d197d5a3c0315e5ebd9c7d2)
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=1739303593-pcsYb4MviGRcUbDf1mYQ5gAm6ATJIF0N-0-1f3067097a2eacdadc782fe6d15cea81)
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=1739303593-9gy2adQ3aWRoQ6MEbkzhKpmOpA9jQaFJ-0-5c4f10e53bb71e2448bd5f5767424831)
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=1739303593-abfMdt3mo6jooHqZVTkNx22yBT3pljDn-0-adb41c2643da7bdf166f24199c71cdba)
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=1739303593-Rcscc3QjQtZgr7ZFOVdymi4R32UFpC0V-0-701a93214c015fc62acd7e3544c26f62)
图4-93 定位倒角边
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-184.jpg?sign=1739303593-GysImFMRV6OCe2134ikEKgiiYoweR1D5-0-282db6954d99b733a7e998eac8651585)
图4-94 倒角结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-185.jpg?sign=1739303593-kVSSt3s6nZfnCmyxyqbxksAKGmS5bnf4-0-c4a63f84325e085625be9e8a4ed79d68)
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=1739303593-c1fDuTj86ffZdqKpuGmseqP4hK9zsTip-0-c9135b218ea093aa1a2eff213ec82352)
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=1739303593-ZG13Mg0QOvtVRWH3yFruMG7MQnZVPRqo-0-6a435b3267ec6c0b809a67d839d61280)
图4-96 定位圆角边
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-231.jpg?sign=1739303593-dBEwmqdSnnBnTV5hmcrOO1S0IMNbvNip-0-5b04511d74b25a0bdd514ec0b89641a0)
图4-97 圆角结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-132-232.jpg?sign=1739303593-ZtOAdR9z3lMEtvqTtsMc4xXAOZgEor0B-0-2854eadc9a7db617d4355a4567a64f05)
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=1739303593-rA3hS1LqLqXQlHXtfQLPxNPXKYMOySrp-0-ae71a0eb65250d2250e0b51130f98a52)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-184.jpg?sign=1739303593-b0I57Cz8XaL3uG9UK9R3dsNvIewcUnL2-0-5574ae70c0ce6514b6990f4ea3966951)
图4-99 快捷菜单
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-185.jpg?sign=1739303593-rCBwdQOdCIV3DUw4ZCPGVZ69uxVKr57M-0-5a0ea7e7d05c7215fc77c9d3ec3c8094)
图4-100 窗交选择
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-186.jpg?sign=1739303593-gxPDbncIbY75NtlvNgAaMC7pAQOiJFdv-0-99cbe74f83aea97f1bce1d22d30031e9)
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=1739303593-drgM5c2THALWsm7mWOuS5g3gk6K9hok4-0-9ef10ef1a83d1fe0b1bd2921c897827f)
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=1739303593-HqCVzsG3xEpRDoWe0RFNwTd5at627dYJ-0-6e4b545c49a2216668517b8531e89298)
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=1739303593-IAt3kyH69TXI9dZjngjdboiLK8gxiBHY-0-be28aecdb558c2d55b2fad4657477f27)
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=1739303593-RX7q8mRUixfNIzxxBYPiHMnmREAHyGdH-0-1601c78ac19a0113ff781615aeafa005)
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=1739303593-Iz5Rf7fqfrLuvBhby8y4YyhaZbYapWwv-0-91d6b808846f6e8d68fa2957133e3073)
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=1739303593-FCiL7YF9oWLDXnCtfvEneoATH3CreOc4-0-368f160d44cc826201b1473142664cf5)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-279.jpg?sign=1739303593-s010sn2NDOlfjWfqmLvqVyDfWXaTLvLf-0-790a81b96604fe129b0116d022b85513)
图4-106 窗口选择
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-133-280.jpg?sign=1739303593-LPC3e84WntE2b9Hs8XJUD4piPlHW0sTp-0-e820f3fba9c0c93ea338a605f156507d)
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=1739303593-6ZSRAV9iXUJrVFVyJdBpwuDxcoq4Omk4-0-10cd7d40dbad0179b573a293899cd2c0)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-205.jpg?sign=1739303593-WbUa3bsubpPDqmWzqwIIze2lzwI5kQZ4-0-b4fa726d3bc0101221770a4ed430ef0a)
图4-108 选择单人沙发
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-206.jpg?sign=1739303593-hB6bjCqrhEDlIlfWAMRtGkxx3x9YfwFk-0-11dca2d91e05458c3356b3f6311bce17)
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=1739303593-CMSYQzwZCW8qENgkOGlQpPMaQnmMofsp-0-05a118e38ca8f90ec0737f10a70c6da6)
图4-110 组合结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-134-252.jpg?sign=1739303593-x1bgOgtgwfaGYfXedM0sSvP3Q7MasQnf-0-6c5b374b16f14ea5fb9f4a6853eb0d4d)
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=1739303593-RwVfUdfd3Sm5XLHEBwW2qGQE5j9QjJ9p-0-3964066685f78d40e3473aa633f716b4)
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=1739303593-jy9lZJtOfrARRL5SHV6u1syAM56DmoSc-0-8e3a63fde43525e8873e251ee5f39677)
图4-112 旋转结果(三)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-188.jpg?sign=1739303593-Z2mTbB31b75GCO5CwA4YalHLf3vUwE2J-0-beb836475eb08e9f8e08fbd651c9c6e0)
图4-113 缩放复制结果
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-189.jpg?sign=1739303593-82lIhaorpeRAe4MZcy4n9FctHWvnjcUK-0-306851b7c967ae177a86326bb8fbf10a)
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=1739303593-sWfErYWYqZ9UTuvNJgkGGE4b2LpDHpv8-0-a280a10b25949dbb910da78b9d79d6b5)
图4-115 填充结果(一)
![](https://epubservercos.yuewen.com/C5155C/20862583408965406/epubprivate/OEBPS/Images/41452-00-135-191.jpg?sign=1739303593-iPJG3vDuFkuYMtYiqWmmTwH518UXoIO2-0-1ecf8ee45fe263cc50669e0895086e61)
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=1739303593-Uc6Rmij7Cqsus2PYv3doiWBJrO78w4Ac-0-7fc1540090cc3486e8beeb32b7df27bd)
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=1739303593-3ZDDf5ncT3UZ2jc0012AEoYMjqVgOxCa-0-1352ece871357565062a00a344571ba7)
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=1739303593-1kypBGnV8UsdoWRioygorKj1egJbHKYR-0-277a3c001688ee4ece057dbb326340c0)
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”。