Problems with preparing project

Hello everyone,

For my brother I’m making these custom license plate holders.
Unfortunately one of the logo’s (the left one in this case) is not appearing on the preview when slicing the print, which makes me believe it is not going to be printing on the actual model.

I have tried moving the objects in all the possible directions, but unfortunately it is not appearing.
Is there anyone who can suggest me how this could be fixed?

The model is uploaded in the attachments.

Thanks in advance.
Alberta Motorcycle Plate Holder .3mf (1,7 MB)

Yes, Your left object is below plane. Select each of the letters and use the move tool to raise it.
Object lift

Then slice and your object will appear above the plane.

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Hi Olias,

Thanks for your answer.

Weirdly enough the right object is at the same height (I think?) and that is appearing.
Also the letters are tall and they are not appearing in the underlying layers on the preview mode.
The letters have to be somewhat submerged with the rest of the holder, but obviously still visable to the eye, like the right one is.

Yeah, this is where a decimal value of 0.001difference in the STL geometry can bite you in the butt. It’s just another reason why I prefer STEP files over STL files as this happens less often with STEP files since the geometry is mathematically defined as a series of lines, circles and arcs as opposed to STL which is a triangle mesh.

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