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+ BRL-CAD focuses on solid modeling CAD. Solid modeling is distinguished from other forms of geometric modeling by an emphasis on + being physically accurate, fully describing 3D space. +
+ ++ Raytracing is central to BRL-CAD as a means for performing geometric analysis + and for rendering images for visualization purposes. +
++ A BRL-CAD target description can be converted to a finite element mesh (FEM) using the BRL-CAD g-sat exporter and Cubit from Sandia National Laboratories. +
++ BRL-CAD provides a comprehensive procedural geometry interface as a means for creating models + algorithmically instead of manually. +
+