Act IntelliCAD is a native DWG & DXF CAD software based on IntelliCAD 9.1 Engine. Act IntelliCAD is a best CAD software to create, edit, mark-up and plot drawings. It is a fully functional 2D Drafting Software along with 3D Mesh Modeling. The Professional version of Act IntelliCAD supports creation and editing of ACIS 3D Solids. All versions of DWG & DXF files from very old R2 to latest 2019 are supported. The commands, icons, interface, dialogs etc. are very much similar to other software like AutoCAD®. Act IntelliCAD is very fast and smooth as the CAD engine is very light in weight (less than 500MB size).