With many things in Civil3D, it’s not readily apparent what you need to do.  Here is a step by step procedure on how to import FLT fault files.  These files are ASCII files you can drag/drop into a notepad and you will see “#AdCADD DTM 12.00 User defined fault file” followed by numerous lines of coordinates.

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We have reached a fork in the road on our Civil/Survey and Mapping add-ons.  For years we attempted to provide one package that ran inside plain CAD engines as well as Civil3D while using the best objects available.   The problem is that it meant a weaker (than possible) Civil3D connection, prevented us from adding tools only (currently) possible in Civil3D and created confusion on what parts used Civil3D objects.

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Windows users often ignore their TEMP folder.  It’s a junkyard where old files (and folders) live even though the application that created them has long since been shut down.  Well behaved applications keep track of the files they create there and remove them on completion of the task.  However sometimes applications crash, or they just aren’t programmed to clean up after themselves.

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