Materials that share the same base color/image get merged when copying between files

SketchUp Pro
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1

I have a problem: when I copy objects from one SketchUp file to another, materials that share the same base color or base image get merged. After pasting into the new file, SketchUp only keeps a single material among all those that shared the same base color, and assigns that single material in place of the others.

This is a major issue because those are different materials and, in V-Ray, they have different settings. As a result the appearance and renders are completely wrong after copying. I’m working with SketchUp 2026.

2

I remember running into something similar when copying materials between models, editing it in one model and copying the thing it it was on back to the original model.

Changing the material name before copying into the same model might help