ThreeDify Designer (previously ActiveSolid) is a fast, compact, and powerful dual mode 3D modeling, 3D dimensioning and view mark-up application and ActiveX plugin. The entire application including its user interface can be embedded within any COM container including Microsoft Office (Word, Excel and PowerPoint) and Internet Explorer. It features an intuitive GUI, import/export plug-in architecture (that allows 3rd parties to easily create custom importers/exporters), unlimited undo/redo, associative 3D linear/angular/radial dimensions, robust Boolean operations on 3D meshes and 2D polygons, 3D mesh healing capabilities, 3D text & text mesh, 2D profile generation, polygon offset, local vertex/face editing.