Video Tutorial:

A model can change after you've already finished building a Lumion scene. Fortunately Lumion can easily update your model with the latest changes, leaving the materials and your Scene intact.

Made in version: Lumion 7.0 Pro.

See also:

Knowledge Base:  How do you re-import a model?

Knowledge Base:  Why does an imported model change in all the scenes it's used in?

Knowledge Base:  Is there a list of all the keyboard shortcuts in Lumion?

Knowledge Base:  How do you update a thumbnail image for an imported model?