Why models are useful
Drawings show what a building looks like. A model also records what each element is: its type, materials, dimensions, parameters and how it relates to everything else. For tools that check designs, estimate quantities or generate drawings, that structured information is far more useful than a picture of a building.
What to check inside your models
Linked models from other disciplines
Architectural models often link the structural and MEP models (and the other way round). Those linked files were usually authored by other consultants, so your rights generally cover your own discipline's model, not the links.
Families and content from third parties
Manufacturers' families and purchased content libraries come with their own licence terms, which may not allow redistribution. Your in-house families are generally yours. Expect manufacturer content to be a scoping question.
Information embedded in the model
Project information parameters, title blocks, sheet notes and room data can hold client names, addresses, staff names and occupier details. Treat this like any other personal or confidential data: it needs to be removed or protected before the model is shared.
Formats and versions
- RVT is Revit's native format. Newer versions of Revit open files from older versions, but not the other way round, so note which version your models were saved in.
- IFC is the open, vendor-neutral BIM format, which Revit can export. It's often requested alongside or instead of native files.
- Cloud-workshared models may live in Autodesk Construction Cloud or BIM 360 rather than on your file server. See the ACC guide.
Rights in the model
The copyright position for models follows the same pattern as drawings: designers generally keep copyright unless their appointment assigns it. Some clients, particularly on BIM-led projects, have their own information requirements and terms covering models. Check those appointments before including the project. See the architects and engineers guides.
Checklist
- List completed projects with models, noting where each is stored (server or cloud) and its Revit version.
- Note which models include links from other consultants.
- Identify any significant third-party content libraries you used.
- Check appointments for BIM-specific terms.
Are central files and local copies both needed?
Generally the final central model (or a detached copy of it) is what matters, rather than individual users' local copies.
Do models need to be "clean" before licensing?
No. Real working models, warts and all, are what buyers want. Removing personal and confidential data is the important preparation step.
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