http://www.zwsoft.com/forum/viewthread.php?tid=1547 Is there an equivalent command in ZwCAD to AutoCAD's DISPSILH? If so set it to a value of "1". zw_admin 2010-04-12 17:56:36 http://www.zwsoft.com/forum/viewthread.php?tid=1547&pid=12408 thank you, Tesla, command "DISPSILH" is available in ZWCAD, but after i set it , the tessellation lines still exist...... zw_admin 2010-04-15 10:43:36 http://www.zwsoft.com/forum/viewthread.php?tid=1547&pid=12401 thank you, Tesla, i tried the command DISPSILH, but it didn't work zw_admin 2010-04-14 13:23:32 http://www.zwsoft.com/forum/viewthread.php?tid=1547&pid=12391 ZWCAD doesn't supprt 3D hidden visual style just hidden(View-->Visual Styles), what should i do if i draw a cylinder, view in "hidden" style and don't want to see the tessellation lines? any bypass means? thank you for all your help in advance! in ZWCAD: <img src="http://classic.zwcad.org/forum/uploads/20100412_093616_1.JPG" height="269" width="328" border="0" /> Expected result: <img src="http://classic.zwcad.org/forum/uploads/20100412_093721_21.JPG" height="275" width="353" border="0" /> zw_admin 2010-04-12 09:37:27