IGES file extension is for 2D or 3D CAD model
Initial Graphics Exchange Specification format
Similar to IGES
$ED - Editor temporary file
MS C
$LN - TLink response file
Borland C++
$O1 - Pipe file
DOS
$VM - Virtual manager temporary file
Windows 3.x
&&& - Temporary file
)2( - LHA archiver temporary file
LHA
.GP - Glue Geode Parameter File
View all in File Extensions