Manually adjust hierarchical relations between parts by creating and dissolving assemblies, or by adding and removing parts to and from assemblies.
Qonic supports hierarchical relations between parts in the form of assemblies. For example, a curtain wall could consist of members and plates, or a staircase could consist of stair flights, slabs and railings. Nested assemblies are also supported; the railing in the aforementioned staircase could in turn consist of some plates and members. To see hierarchical relations between parts, select the parts and open the Inspect panel. In the image below, a stair is selected consisting of 2 stair flights, a slab and a railing, which in turn consists of 13 members and 4 plates.
Qonic comes with some tools to manage these relations: Create Assembly, Dissolve Assemblies, Add to Assembly and Remove from Assemblies.
Create Assembly
This tool allows you to create a new assembly by selecting one or more parts that belong together.
- Select one or more parts
- Under Assembly, click Create Assembly
- From the dropdown, choose the IFC class of your new assembly
- (optional) choose a predefined type
The selected parts will now be part of an assembly of the selected IFC class. If an assembly is part of your selection set, it will be incorporated into the new assembly as a whole. 
If a subset of an existing assembly is part of your selection set, its relation with its original assembly will be broken and it will become part of the newly created assembly.
Add to Assembly
This tool allows you to add new parts to an already existing assembly.
- Select one assembly
- Under Assembly, click Add to Assembly
- Select one or more parts to add to this assembly, and press Enter
The selected parts will now be added to the existing assembly.
If an assembly is part of your selection set, it will be incorporated into the new assembly as a whole. 
If a subset of an existing assembly is part of your selection set, its relation with its original assembly will be broken and it will become part of the new assembly.
Remove from Assemblies
This tool allows you to remove one or more parts from their assemblies.
- Select one or more parts of an assembly. Tip: to select subassemblies in the model view, double-click to dig one level deeper, triple-click to dig another level deeper and so on. Alternatively, click and hold the left mouse button until you reach the level of the assembly you want to select. Finally, if you are only interested in the lowest level of the assembly, hold Ctrl and left-click.
- Under Assembly, click Remove from Assemblies
The selected parts will now be taken out of their respective assemblies. If you remove a subassembly from an existing assembly, the subassembly will still remain intact.
If you remove parts from a lower level in a nested assembly, the removed parts will move up one level in the assembly tree.
Dissolve Assemblies
This tool allows you to dissolve the hierarchical relation between two or more parts.
- Select one or more assemblies
- Under Assembly, click Dissolve Assemblies
The selected assemblies will now be dissolved. If you dissolve an assembly with multiple levels, only the top level of the assembly will be dissolved.
If you dissolve a subassembly within an assembly, the resulting dissolved parts will still be part of the top level assembly.
