问个如何将犀牛里面的模型保存为opencascade中可以接受的brep格式

titip

THESE days ,i  am aim to develop a procedure based on opencascade, as the geometry need to be build in rhino,however the Algorithms i devise now only able to receive brep format files, i want to save the model in rhino as brep format file and input it to my procedure,however ,i do not find rhino and grasshopper provide the function to acheive this. nay body can help me?of couse not limit to grasshopper plugin,other plugin are also accepted!best regards!

都不知道你说什么

以下翻译：
我最近要用opencascade研发个产品，模型需要在犀牛建。但是这个程序只能输入brep格式文件。我想用犀牛把模型存成brep格式并输入opencascade，但是犀牛和grasshopper都没有这个功能，求高人帮忙，当然也不限于grasshopper插件，其他的也可以。谢谢！



BTW,头一回见有用英文提问的。
关于opencascade：
http://www.baidu.com/baidu?word=opencascade&tn=myie2&ch=4