MegaCAD 3D is the ideal synthesis of an innovative solid and surface modelling system and a full-feature 2D drafting program.

If you are developing your model in 3D or if you are drawing a 2D design, each step will automatically be transferred from one dimension into the other one.

In MegaCAD 3D, the user has a powerful solid modeling system. In addition, any designs can be wholly or partly implemented in the surface modeler. Because they share a common data structure, the two forms of model can be combined. This makes it possible, for example, to trim a solid object with a complex free-form surface, to give the solid a new shape. Conversely, the surface of a solid body can be isolated as a separate surface.



Innovative technologies
MegaCAD 3D provides very fast algorithms for the shaded display of surfaces and solids, and to remove hidden lines from the display. The designer can work directly in this 'hidden lines removed' mode. Unlike when working with other systems, where the user has to invoke the hidden line calculation repeatedly after each drawing task, the MegaCAD operator always has a clear overview, even with larger drawings.

Flexible tree structure enhanced by local operations
MegaCAD saves all operations in a tree-like structure, a so-called 'feature tree'. The sequence in which procedures are applied can later be changed in any required way, leading to automatic recalculation of the component concerned. However, such a recalculation is not always necessary. Many changes can be restricted to local operations, applied directly to the component to be edited.

Object-oriented parametric
MegaCAD 3D provides for parametric objects. A simple mouse click can be used to assign new dimensions to any of the basic mathematical objects, such as spheres, cubes, cylinders, etc. Solid objects which are connected to the object which has been changed can, if required, be adjusted automatically.

This parametric approach extends to prismatic extrusion objects and sweep objects along a (curved) line in space. 2D drawings produced using MegaCAD can be parameterized in whole or in part, with any dimensions which are not defined being automatically regarded as constant. Geometric dependencies are also taken into account. If such a solid forms the base of an extrusion solid, then the latter is also recalculated.

Variable blends / rounding
The enhanced blending function allows the edges of solids to be rounded with a variable radius, and for this radius to be later altered locally or removed.

Thin wall objects
The shelling function is used to generate automatically a thin-walled shell from a full solid. It is possible in the same operation to remove one or more closing surfaces from the shell. This function is not limited simply to regular objects, but can also be applied to solids whose surfaces have been formed by trimming against a freeform surface.

Full-featured 2D drafting program
While other CAD programs lay emphasis on editing the 3D model, and only offer rudimentary 2D processing functions, MegaCAD can here show off its full strength. In MegaCAD 3D, all the drawing tools of the current version of MegaCAD 2D are available for further editing work on two-dimensional drawings derived from the 3D model.

Integrated working in 2D and 3D
MegaCAD allows 2D drawings and 3D models to be worked on in an integrated way. Any required 2D views can be produced from a 3D model, and if the latter is amended the 2D views can, if required, be automatically updated.

If desired, two-dimensional views can be used to generate a 3D solid object with no further work by the user.

Data interchange
Apart from direct data interchange with the over 170 CAD/CAM applications which, like MegaCAD, are based on ACIS, MegaCAD permits data to be imported and exported through fully-developed interfaces (HPGL, DXF, DWG , WMF, CDL, IGES , STEP, VDAFS and SAT).

Relational Assembly parts
MegaCAD provides a fully relational link between the assembly drawing and the associated parts. Parts can be integrated into an assembly drawing relative to the absolute coordinate system or relative to other parts or elements of the assembly. As an example, if an original component part is modified, the changes will be reflected in the assembly drawing and if a component part is changed in the assembly drawing, this will be reflected in the orthographic drawing. This bi-directional association serves to reduce errors, improve quality, accelerate manufacturing cycles and ultimately cut costs.





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parazitt 03.10.2008 03:03

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williwacker 12.07.2008 11:39 thx