Lines not appearing on model

I am constructing a model of the colosseum and suddenly the lines on the model have disappeared. I have set edges to show and made sure nothing is softened. Any ideas of what I may have done?

It would help if you’d share the model. It’s hard to tell from your description.

Thank you for the reply Dave. I shall attempt to link the model as asked.

https://app.sketchup.com/share/tc/europe/Wa37LPgI5j8?stoken=3KD1nFXpz0AtmxZVY6006vI7wQw5zurNKw_XujDDj1uUWdjFgof1m-Nbzlt8TbKL&source=web

This is only a link to view the model but I can’t do anything to really dig into it.

Where are these missing edges supposed to be? If they are just edges separating coplanar faces, they might have been cleaned up during a save.

I do see you’ve hidden a lot of edges on the seats, for example.

If you show Hidden Geometry and edit the component you should be able to select all geometry including the hidden edges and unhide them.

Sorry for getting the link wrong. How do I share the model as asked?

Download it to your computer and, assuming it’s larger than 16 Mb, upload it to DropBox or We Transfer and share the link.

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Colosseum.skp (3.9 MB)

Seeing the actual model makes it clear. You’ve given tags to some of the edges and the tag for those “missing” ones is turned off. Here I’ve fixed the incorrect tag usage.
Screenshot - 9_10_2024 , 10_42_05 AM
Here’s the file. I also purged a bunch of unused styles and a component from the model.
Colosseum dr.skp (3.5 MB)

It’s the seating area that’s the problem

Again, incorrect tag usage. ALL edges and faces should be created and remain untagged. Only groups and components should be given tags.

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Many thanks Dave. I have been scratching my head for days trying find the problem. Thanks again for your time. Regards John

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Hello, I am very happy to talk to you and thank you very much for this program, I have a problem when I open the program, it asks for a license.

I’m answering that in a new thread. this one is about missing lines, not license questions.