UG开发三维建模中拉伸的例子。例子比较简单，很容易看懂，这是三维软件开发的基础。弄明白了，再变换成扫描，拔模等命令就很容易了。-UG development of three-dimensional modeling stretch example. Example is relatively simple, easy to understand, this is the basis of three-dimensional software development. Understand, a

附件为5个AutoLisp文件，分别用于直线关联移动、绘制矩形云线、直线记忆拉伸、直线中线以及标注合并-The Annex 5 AutoLisp file, respectively for linear correlation mobile, draw a rectangle cloud line, straight line memory stretch straight midline, and marked the merger

cad加载lsp源码。记忆移动功能（命令m）及记忆拉伸功能（命令n），可以自动记忆上一次移动或拉伸的数值，不用重新输入数字就可以按记忆数字移动或拉伸。-cad load lsp source. Mobile memory function (order m) stretch and memory function (command n), one can move or stretch the automatic memory value, without re-entering a numbe