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1、第 19 课初识 3D建模【教材分析】本课是这个单元的第 1课,主要任务是认识 DSM 软件界面各区域的基本功能,并学会使用简单工具绘制二维图形,学会保存和打开文件的方法。【学情分析】3D 打印这项技术对于学生来说既新鲜又陌生,他们既想学又怕困难。因此可以先展示一些其他同学的作品,既能激发学生的学习热情,又能消除他们的顾虑。DSM 软件对学生来说相对比较陌生,主要体现在软件的界面、操作方法、功能等方面。【教学目标与要求】1.通过观察、比较的方式,了解DSM 软件界面各区域的基本功能。2.学会使用简单工具,在草图模式中绘制二维图形。3.通过作品展示、实践操作等方式,培养学生对3D创意设计的学习热
2、情。【教学重点与难点】重点:了解 DSM 软件界面各区域的基本功能。难点:学会使用简单工具绘制二维图形。【教学方法与手段】讲授教学法、演示教学法、探究教学法。【课时安排】安排 1 课时。【课时准备】3D打印实物、教学课件。【教学过程】一、了解 3D设计,出示课题1.认一认,了解立体图。(1)PPT出示三维立体画、立体街景等图片。图 1(2)提问:这些图片是三维作品吗?学生回答,反馈交流。(3)教师小结:这些图片虽然看起来很有立体感,但仍然是在平面上创作的,仍然属于二维作品。2.摸一摸,接触 3D打印作品。(1)现场展示 3D打印的作品,学生观察。(2)请学生说说自己的观察感受。(3)教师小结:
3、像这件 3D打印作品一样,有高度、宽度和深度的作品,就是三维的。图 2 3.什么是 3D设计?(1)PPT出示其他 3D打印的作品及其 3D设计图。(2)介绍 3D打印机、3D设计软件、3D设计图和 3D打印作品的关系,出示课题初识 3D建模。【设计意图】通过对比三维立体画、立体街景和 3D打印实体,体会 3D打印作品的特点,从而了解3D设计。文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP
4、6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X
5、7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP
6、6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X
7、7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP
8、6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X
9、7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4二、认识 De
10、signSpark Mechanical 1.教师简介 DesignSpark Mechanical。2.学生操作:双击桌面图标,打开DSM 软件。3.认识窗口:对照教材,说一说DSM 软件窗口各个区域的名称。4.自主探究:用鼠标指一指DSM 软件窗口的不同位置,根据自己的学习经验,猜一猜每个区域的功能。分别请学生汇报,说说自己的猜测,师生共同交流想法。5.PPT 动画出示各区域的名称及简介(资料详见教师用书)。快捷访问工具栏、文件菜单、格式栏、特征管理器、特征选项、操作区域、状态栏。图 3【设计意图】采用先学后教的方法,以自主探索、相互交流、师生总结的过程,促进学生对 DSM 软件界面的了解
11、与记忆。三、绘制简单图形1.PPT 出示画好的五角星二维图形,介绍任务要求。2.教师演示操作,在操作区域中绘制五角星二维图形。(详细步骤见教材)图 4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R
12、7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:
13、CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R
14、7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:
15、CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R
16、7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:
17、CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L43.学生操作,绘制五角星二维图形。遇到困难可以参考教材。教师巡视指导。4.展示部分学生的作品,让学生说说绘制过程中有什么值得注意的地方。【设计意图】这是学生首次在DSM 软件中进行图形绘制,通过教师演示,培养学
18、生规范操作的习惯。说一说的机会,可以让学生进行自我反思,小结操作过程中的关键点。四、巩固练习1.完成教材“探究屋”中的练习,绘制小房子的二维图形。2.布置思考任务:(1)怎样画才能使小房子左右对称?(2)你还想画出什么样的小房子?大胆尝试你的想法。3.学生操作,使用“线条”工具,绘制小房子的二维图形。教师巡视指导。4.展示部分学生的作品,让学生说说自己设计时的想法。全班互动交流。【设计意图】能绘制出对称的房子,可以巩固镜像线的使用技巧,便于今后绘制更多有规律的图形;能绘制出具有个性、特点的房子也很重要,可以发展学生的想象能力与创造能力。五、保存和打开作品1.学生自主探究保存和打开作品的方法。2
19、.广播展示,分别请学生介绍保存和打开作品的方法。3.试试看:打开老师发放到桌面的“3D 作品”文件夹里的文件,欣赏3D作品,然后和组内同伴交流自己喜欢的作品。【设计意图】保存和打开文件,对于学生来说难度不大。但是能打开不同的3D 作品进行欣赏,一定是非常有意思的。通过和同伴的交流,提高学生的审美能力。六、总结与交流1.请学生说一说这节课的收获,教师总结点评。2.出示下节课的样板作品,布置预习任务。【设计意图】巩固所学,提出预习要求,培养预习习惯。【教案设计:王伟(南京市游府西街小学)】文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F
20、3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E
21、4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F
22、3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E
23、4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F
24、3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E
25、4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4文档编码:CP6R3T4T1F3 HB1V7U1R7X7 ZL9X4E4T5L4