The "aeccland.shx" file you're inquiring about seems to be related to architectural, engineering, and construction (AEC) content, specifically for landscape or site planning, given the "land" part of the filename.
If you cannot find the original SHX file but have a drawing that already loads it correctly (e.g., an old template that opens without errors on another PC), you can extract the font data: aeccland.shx
aeccland.shx is a shape file specifically designed for the Autodesk Land Desktop environment. It stores geometric definitions for civil/survey objects that standard .TTF fonts or simplex.shx cannot display. The "aeccland
The user may be using standard AutoCAD instead of Civil 3D, which includes this specific shape file by default. How to Fix Missing aeccland.shx Errors GIS and Mapping Symbols: It contains specialized symbols
#AutoCAD #Civil3D #LandDesktop #CADTips #EngineeringLife #SHXMissing Solved: Need Linetype Help - Autodesk Community
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