3D打印速度快不快，它比CNC手板加工更快吗？

这个快不快，完全在于设置，可是 慢工出细活，是必定 的，CNC手板不知道是甚么 ，没有接触过， {!-- PGC_VIDEO:{"thumb_height": 360, "file_sign": "dd7dcd8ec8cd765b826ddc60c2d1b247", "vname": "", "vid": "0e206177fad74a88a73aebe382ac7cb5", "thumb_width": 480, "video_size": {"normal": {"h": 360, "subjective_score": 0, "w": 480, "file_size": 209786}}, "src_thumb_uri": "4b67001087c7351625d3", "sp": "toutiao", "update_thumb_type": 1, "vposter": "http://p0.pstatp.com/origin/4b6a000945cebf912401", "vu": "0e206177fad74a88a73aebe382ac7cb5", "duration": 7.5, "thumb_url": "4b6a000945cebf912401", "thumb_uri": "4b6a000945cebf912401", "md5": "dd7dcd8ec8cd765b826ddc60c2d1b247"} --}