[求助]请问实体设计xp的内螺纹怎么画？（梯形）

shaoshao

例如螺母的内螺纹，请指教

singlewo

我想的话，先画一个圆柱，再用螺旋造型就行了吧

hncscgn

<img src="attachments/dvbbs/2004-5/200452419403010630.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2004-5/200452419403010630.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

shaoshao

就是这样了，能教我怎样是画出来的吗，谢谢

singlewo

先画一个圆柱在,再把他打成圆筒,然后再在工具里找到螺纹放到里面