IrfanView Features

Ability to apply standard dimensioning tools to add accurate information to Drawing design.

Change between standard Drawing units applied to measurement and dimensioning only.

Ability to modify 3D primitives (parametric editing tools, free-form editing tools, symmetrical editing process, etc.)

Support for a number of file formats for import

Support for a number of file formats for export

Ability to view 2D files

Ability to view 3D files

Ability to convert a bunch of DWG files to an older or current version available.

Support for a range of file sizes without degrading the user experience

Access to basic tools for drawing, such as line, cirlce and polygon.