Autodesk AutoSketch 2.0 for Windows (3.5-1.44mb)
Released in 1994 by Autodesk
For Windows 3.1

AutoSketch is a 2D vector program sold by Autodesk. Although not as 
powerful as AutoCAD, it can work with 2D AutoCAD files.

This is a 16-bit Windows 3.1 application. 

It will ask for a serial number, but you can enter anything.
