Zoom extents shrinks my image to impossibly small, and then no other control will enlarge it

I’ve been editing a document in SketchUp Make, and having enlarged part of it to make it easier I clicked on ‘Zoom Extents’ to shrink the model to full-page.

Instead I got an image reduced to almost invisibly small (some of the text was still just about distinguishable). There was an autosave, but alas it included the disastrous shrink. However, its file size of 13.7 MB suggests the information is all there. The file is a drawing of the top floor of my French house, about 100 m² in all.

Share the SketchUp file so we can see what you are seeing. Likely you’ve managed to get something at a great distance from the rest of the model.

Hi Dave, thanks for your reply!
I tried the orbit tool, to see if there was anything elsewhere in the picture. The image doesn’t rotate etc., whether or not I’ve done a ‘Select All’.
This is actually a recurrent problem, but this time I lost several hours work, and the autosave didn’t save me!

Again, share the .skp file so we can see what you’ve got going on.

How/where do I put the file to ‘share’ it?

Upload it here by dragging and ropping it into a reply. If it’s larger than 16 Mb, upload it to DropBox and share the link.

You can click individual parts of the model in the outliner you may be able to figure out which thing is a long way away (that’s totally going to be what it is!)

You could save a copy , then delete a bunch of things at a time, clicking zoom to extents until you narrow it down

Here, hopefully, it is!
AutoSave_2e étage surfaces_7.skp (12.9 MB)

Here you go. You had the Camera set to Parallel Projection and a couple of text entities at a huge distance from the rest of the model. I deleted those text entities and also fixed incorrect tag usage, purged unused stuff fro the model and zoomed extents to show your model.
Screenshot - 6_6_2023 , 11_28_28 AM
Screenshot - 6_6_2023 , 11_28_41 AM

BTW, you should be using groups and components for the geometry you create and you should make sure faces are correctly oriented. There should be no exposed blue back faces in your model.

AutoSave_2e étage surfaces_7 fixed.skp (5.6 MB)

Dang, Dave beat me to it. Quick, that fellow is.

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Also, there are better programs for strictly 2D drawings. Is there a reason you are using Sketchup for 2D?

Blimey! Brilliant, thank you so much!
I do use Groups quite a lot, but seldom Components.
Correctly oriented surfaces is a common problem for me – it takes time, but eventually I get them back together.
are the exposed blue-black faces?

The blue face color represents the backs for faces. There should be no visible blue back faces.

Hi Chip cookie. I came from 2-d, in the form of the wonderful Claris CAD, with which I designed a light aircraft, and won a prize from the Royal Aeronautical society! Since it disappeared I tried a few others, but none came close. I now use Graphic Converter for some pixel-editing work, but have never found a 2-D program which came close to Claris CAD.

Claris CAD was awesome. I wasn’t really thinking of a CAD program, but something like Omni Graffle. Visual Communication Software To Make Pro Diagrams - OmniGraffle - The Omni Group I made some custom bits and bobs and now use it for quick 2D sketches of parts clients want me to make. Basically converting their napkin drawings to something digital.

It disappeared in 1991, but you can use it by emulation. Sketchup is a lot better than Claris cad, you can design and model a 3D object and get 2D images out of it with LayOut, or exporting to any other Cad software.