Overlay models versus reference models

Tekla Structures
Tekla Structures
Tekla Structures
Not environment-specific

Can I have some additional clarification on the difference between an overlay model and a reference model?

Overlay models are lightweight models that are stored in the attached Trimble Connect project.  They are mainly for viewing purposes and are missing functionalities that are in real reference models. The main benefit is that they are lightweight and fast to handle and do not affect model performance and size as much as reference models.

Feature Reference model Overlay model
View in model Yes Yes
View in drawing Yes -
Inquire Yes Yes
Filtering Yes -
Effect on model performance Affects -
Effect on db1 size Increases -
Change management between versions Yes -
Clash check Yes -
IFC object conversion  Yes -
Adding attributes Yes -
Tasks Yes -
Layers Yes -
Fit work area Yes -
Create view from object Yes -
Hide object Yes -

See also
Inserting a reference model 
Manage overlay models in Trimble Connector 

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