http://www.zwsoft.com/forum/viewthread.php?tid=964 This is a new special operation of 3X milling that can let user specify only one operation to mill surfaces in a same planar or surfaces in different levels of a plane. <img src="http://zw3d.zwcad.org/ftproot/vxfiles/Private/forumfiles/multiple%20planar%20surfaces2.png"> tony 2011-12-26 00:16:00 http://www.zwsoft.com/forum/viewthread.php?tid=964&pid=5350 Fixed. Thank you! Jon Banquer San Diego, CA JonBanquer 2011-12-26 01:47:21 http://www.zwsoft.com/forum/viewthread.php?tid=964&pid=5345 Link is broken. Please check it. Jon Banquer San Diego, CA JonBanquer 2011-12-26 01:13:05