复杂 PCB 外框,用 AD 难以胜任,此时需要用CAD软件绘制外边框,然后在AD中导入DWG或者DXF文件格式的外框。
一、用AutoCAD保存为DXF或DWG文件
二、导入DXF或DWG文件
I. 如图所示,点击菜单 “File-->Import-->DXF/DWG”&…
tinkerCAD案例:25. 量角器 - 测量角度
原文
Now we’re going to make a protractor! A Protractor is one of the most basic, but essential, tools for making measurements. It is, then, surprising that the modern protractor is barely over 200 years ol…