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.SLDDRW File Extension

File Type	SolidWorks Drawing File
File Format	File
Common?	No
File Description	Two-dimensional drawing created with SolidWorks CAD software; saves image data in vector format using lines instead of pixels; associated with the SolidWorks 3D .SLDPRT and .SLDASM file formats.
Program(s) that open slddrw files	Windows: Solid Concepts SolidWorks or SolidWorks Viewer; Spicer ViewCaf

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http://www.fileinfo.com/extension/slddrw