Constraints can be defined among elements of a solid, among entire solids or within a 2D profile creating a solid (for instance, by extrusion).

For instance, if you constrain a groove to the end of a shaft and the shaft length is changed, the groove remains in constant distance from the end edge. If other objects are changed or transformed, constrained object changes its position automatically. More exactly, you can remove degrees of freedom of constrained objects. Once defined, constraints allow you 'to stick' object at defined location. Also, you can easily edit Boolean trees - either selecting solid parts from 3D, or selecting them from a list displaying structure.Īlthough you can comfortably transform solids or their parts, you can optionally define geometrical constraints. VariCAD provides a lot of possibilities of solid transformations or their editing. Predefined operations like drilling of holes, face milling or groove milling are also available. Boolean operations have options of automatic trimming (so called selective Boolean operations). 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. You can start by creating a 3D model and then use it to automatically create drawings files, or you can draw only in 2D.

All commands were created with a focus on ease of use. It has been carefully tailored and tuned to reflect the thought process of a designer, so that ideas can be captured and communicated with a minimal number of steps. VariCAD's Graphical User Interface (GUI) has been designed to allow quick and intuitive 3D/2D orientation.

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