SOS!!!这个零件做钣金件怎么做？

fulgura

<img src="attachments/dvbbs/20038311305723155.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/20038311305723155.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

bbs

做底面－－绘截面轮廓线－－选择底面各边为扫掠线－－在底面做除料完成

loopking

还有办法就是先做成实体（容易吧？）
再填加一些切口，然后做定义成板金

fulgura

上面的圆弧部分不能做切口的