STL Import for AutoCAD 

STL Import for AutoCAD is a STL file import plug-in for AutoCAD 2000, 2000i, 2002 and 2004. STL Import for AutoCAD gives AutoCAD the ability to import geometric data from ASCII as well as binary Stereolithography (STL) files.
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STL Import for Surfcam 

STL Import for Surfcam is a STL file import plug-in for Surfcam. STL Import for Surfcam gives Surfcam the ability to import geometric data from ASCII as well as binary Stereolithography (STL) files.
stl import for surfcam stl import import stl stl .stl import importing surfcam file stl file plug-in add-in stereolithography