In ARCHICAD 21 the IFC can be inserted into the file direct from the Hotlinking dialog.
In Work Environment, under Data Safety & Integrity, you have this option: Automatically Check Status of All Hotlinks in Hotlink Manager. It is checked by default. In projects with many hotlinks, the auto-check process might slow things down. In this case, uncheck this option.
With Hotlink modules placed into your Project, to move and rotate them, the Suspend Groups feature needs to be turned off. Do this by going toEdit > Grouping and un-highlight Suspend Groups, or un-highlight the Suspend Groups icon witthin the Standard Toolbar. Now the inserted hotlinks will be able to be moved and rotated freely.
When using Hotlinks in ArchiCAD it is important to keep your Element Attributes synchronised between your various files. Hotlinks can be solo pln files or Teamwork files or module files. The Hotlinking process is the same between all of the different file types. The area where issues can occur in Hotlink projects is when new
The Hotlink feature in ArchiCAD is a powerful design tool to enable the use of repetitive elements (e.g. repeated apartment fit outs) and or design options. Key to the Hotlinking function is the Hotlink Master Layer, this is defined when placing the Hotlink, you need to ensure that this layer is visible in all layer
The Hotlink Manager has the ability to display the Hotlink hierarchy in a browser window. This is a great reference to show you the location and status of all hotlinks, as well as their relationships to each other.
From within the ArchiCAD Hotlink Manager you can select a Hotlink and click to Open in Seperate ArchiCAD session, make your changes, save, and update changes back into original project.