量角器

Explanation :
The protractor was modeled in 3D. A bolt of M8 standard was put in the center of the protractor. M8 nuts can be used for coupling. M8 butterfly nut is included in the modeling file, so you can print it out and use it.
You can also download this file from the link :
Many other 3Dprinting files are in the "3DSangSangPortal". （3D想象門戶網(wǎng)站）
Everyone please come and download. :) All files are :
描述：
把氣氛用3D進行了建模。在量角器的中央加入了M8規(guī)格的螺栓。結合可以使用M8螺母。模型文件中包含M8蝴蝶螺母，可以打印使用。
此資料可在以下鏈接下載。
除此之外，很多3D打印資料都在“3D想象門戶網(wǎng)站”上。
誰來下載吧：）都是安全的文件。