CAD 三维制图实例 1.docx

CAD 三维制图实例 1.docx

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CAD三维制图实例1

CAD三维制图实例1

CAD三维制图实例1----（数字控制大楼建模）

CAD三维制图实例1----（数字控制大楼建模

----写给入门的朋友

编辑----风轻云淡

2010年12月

说明:

本文的主要思想是:

通过这个实例的制作，帮助刚入门的朋友了解如何制作三维实体模型这一过程。

制作好实体模型是实现最终效果图的第一步，也是根本基础。

预备知识:

先要学习cad的平面制图和三维的基本操作，方可进入此练习。

注意:

在CAD的三维建模中，某一个模型的建立方法不一定是唯一的;就像在二维制图里一样，画某一个图形的方法可以有多种;只要能达到目的，你尽情的想出简单的办法完成任务;只有这样，才算把CAD学到家了。

笔者也是入门不久的，在做此练习时，不介绍其它方法。

这里以一座大楼的建模为例来说明:

先看一下此楼模型的最终结果图;

rocess.2.landandChinahasavastterritory,butitsarablelandislimited.Accordingtostatistics,only106.67millionhectaresofcultivatedlandcouldbeused（1.6billionacres）,only867squaremetresofcultivatedlandpercapita（1.3acres）.Withthegrowingpopulation,moderneconomicdevelopment,aswellasthegradualtransitionofurbanizationinruralareas,farmlandwillbereduced.Developmentofpoultryindustrywilloccupyacertainareaofland,thereisamodernproductwithcomprehensiverollupof50,000chickenslayinghens,coversanareaof14.87hectares（233acres）more（includingOfficeofhatching,broodrearing,andlayingHouse,eggs,feedprocessingworkshop,Office,etc）.Thepoultryindustryshouldworkinlandconservation,notaccountedfororlesscultivatedland,wasteland,theprincipleofslopeland.Whenthechickenfarmshouldgenerallynotavailabletolocalarablelandareatodetermineanappropriatelevelofbreedingsizeandnot,asinthepast,firstdeterminethesize,thengototheexpropriation.3.energy-saving,water-savingawareness2...Chickencooptokeepdry,especiallyflat-raisedfloorsandbeddingtokeepdry:

shedthewetforalongtime,weakenedresistanceinchickens,feathercontamination,growthretardation,oocystsareeasytodevelop,aschickensliveinmoistenvironmentsinalltheyearround,theresistancewillgraduallyreduce.appetite.production:

reductioninegg.Testuponeming,meatwithTsaichickeninrelativehumidityfor90%Shi,onfeedintorate,andoutfeather,andincreasedheavy,arehasbadeffectjGeneralchickshomes

启动CAD,

一:

先制门厅主体

1:

建立几个图层:

辅助线层，门厅踏步层，门厅柱子层，门厅顶盖层等;

分别设置其线的颜色，以便于区别;

2:

选择辅助线图层，在（三维导航控制台）选择‘俯视’，切换到【俯

视图】如下图所示:

rocess.2.landandChinahasavastterritory,butitsarablelandislimited.Accordingtostatistics,only106.67millionhectaresofcultivatedlandcouldbeused（1.6billionacres）,only867squaremetresofcultivatedlandpercapita（1.3acres）.Withthegrowingpopulation,moderneconomicdevelopment,aswellasthegradualtransitionofurbanizationinruralareas,farmlandwillbereduced.Developmentofpoultryindustrywilloccupyacertainareaofland,thereisamodernproductwithcomprehensiverollupof50,000chickenslayinghens,coversanareaof14.87hectares（233acres）more（includingOfficeofhatching,broodrearing,andlayingHouse,eggs,feedprocessingworkshop,Office,etc）.Thepoultryindustryshouldworkinlandconservation,notaccountedfororlesscultivatedland,wasteland,theprincipleofslopeland.Whenthechickenfarmshouldgenerallynotavailabletolocalarablelandareatodetermineanappropriatelevelofbreedingsizeandnot,asinthepast,firstdeterminethesize,thengototheexpropriation.3.energy-saving,water-savingawareness2...Chickencooptokeepdry,especiallyflat-raisedfloorsandbeddingtokeepdry:

shedthewetforalongtime,weakenedresistanceinchickens,feathercontamination,growthretardation,oocystsareeasytodevelop,aschickensliveinmoistenvironmentsinalltheyearround,theresistancewillgraduallyreduce.appetite.production:

reductioninegg.Testuponeming,meatwithTsaichickeninrelativehumidityfor90%Shi,onfeedintorate,andoutfeather,andincreasedheavy,arehasbadeffectjGeneralchickshomes

切换到【俯视图】后，

A:

利用【构造线】在制图区域根据设计尺寸画出四条参考线;

B:

利用【偏移】命令---偏移300，作出（踏步平台）的参考线;如下

图:

C:

在（图层）选择面板里选择（门厅踏步）图层，利用【矩形】工具，以

参考线为基准画一个最大的矩形，然后利用【偏移】工具向内偏移300，执行两

rocess.2.landandChinahasavastterritory,butitsarablelandislimited.Accordingtostatistics,only106.67millionhectaresofcultivatedlandcouldbeused（1.6billionacres）,only867squaremetresofcultivatedlandpercapita（1.3acres）.Withthegrowingpopulation,moderneconomicdevelopment,aswellasthegradualtransitionofurbanizationinruralareas,farmlandwillbereduced.Developmentofpoultryindustrywilloccupyacertainareaofland,thereisamodernproductwithcomprehensiverollupof50,000chickenslayinghens,coversanareaof14.87hectares（233acres）more（includingOfficeofhatching,broodrearing,andlayingHouse,eggs,feedprocessingworkshop,Office,etc）.Thepoultryindustryshouldworkinlandconservation,notaccountedfororlesscultivatedland,wasteland,theprincipleofslopeland.Whenthechickenfarmshouldgenerallynotavailabletolocalarablelandareatodetermineanappropriatelevelofbreedingsizeandnot,asinthepast,firstdetermineth