The SKF file extension is primarily associated with AutoSketch, a 2D vector drawing software developed by Autodesk. AutoSketch was designed as a more accessible and simplified alternative to the professional-grade AutoCAD software, catering to hobbyists, students, and small-scale technical illustrators. An SKF file contains precise geometric data, including lines, arcs, circles, and text, which are stored in a vector format. This allows the drawings to be scaled infinitely without losing quality, unlike raster images. These files are commonly used for creating floor plans, electrical schematics, mechanical parts, and other technical diagrams. While Autodesk discontinued AutoSketch in the early 2010s, the SKF format remains relevant for legacy projects and users who still maintain older versions of the software. Because it is a proprietary format, opening SKF files in modern CAD software often requires conversion to more universal formats like DXF or DWG. It serves as a historical bridge for many technical designers who transitioned from manual drafting to computer-aided design.