.dwg

AutoCAD drawing, Autodesk's proprietary native 2D and 3D CAD document format

Dedicated renderer

Format facts

MIME type: image/vnd.dwg
Apple UTI: com.autocad.dwg
Stock Quick Look: no stock preview
Planned approach (census): special-renderer
Icon hint: generic-icon
Prevalence: universal

Renderer note (from the census)

parse DWG version header and class list

Gotchas: Autodesk proprietary, hard to parse pure Go