用fusion 360设计的IO扩展板外壳，目前只有底板，上面的部分还在开发中。
下载地址：https://www.thingiverse.com/thing:6205336/files
This is a companion discussion topic for the original entry at http://forum.sophgo.com/t/milkv-duo-io-3d/252
This is a companion discussion topic for the original entry at http://forum.sophgo.com/t/milkv-duo-io-3d/252