Solids can be added or subtracted, thus forming Boolean trees representing real mechanical parts.More complex tools include rotation blending between two profiles, lofting between a circle and rectangle or between different profiles, and creation of helical surfaces. Solids can be created also by profile rotation, extrusion, or lofting. VariCAD provides a library of basic 3D shapes (like a box, cylinder, cone, etc.), which are easily modified by editing their dimensions. ![]() VariCAD provides tools for 2D updates after changes of 3D models. Models created in 3D are easily converted into conventional 2D documentation. The 3D approach is usually more intuitive than 2D drafting. Designing in 3D is generally more “natural,” in that it closely represents actual parts and assemblies.
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