Here are some screenshots from the tree-based project explorer in the BIM module of BricsCAD V13:
Figure 1: A tree-structured view allows the project hierarchies to be easily defined and viewed.
Figure 2: Under each assembly, the sub-assemblies and dependencies can be viewed.
Figure 3: Each assembly (or groups of) can be viewed visually by turning on or off in the legend.
Images: Courtesy Bricsys
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