I need your help in 4.3, with old addons if possible?

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Blendings New Year all 2025! :fireworks: :blush:

It’s been a while since I posted something here on the forum.

I’ve been using Blender for a while now, since version 2.79, I used a lot of addons like F-Spy, Pixar’s RenderMan, MoonRay (DreamWorks Animation), Pose Library, Rigify, Mixamo, Blender GIS, Perspective Plotter, PSD Layers, BlenderKit. But since version 4.0 all these addons no longer work and after reinstall and reboot the addons still remain missing.

Does anyone know a fix for all these addons? I worked a lot with F-Spy in particular! Although I mapped everything correctly, but in Blender it always ended upside down when importing, while Z-Up was always set.

Unfortunately, I was never able to solve that problem.

I hope someone can help me with these fixes? I’d rather not go back to 2.93LTS, everything worked best there, because the Compositor now works well in 4.3 and Light Linking. (officially I started in Cinema 4D years ago in R17, light linking was already there and I missed it in Blender for years) so I don’t want to miss that anymore.

So I am currently working in 4.3!

And I am happy with any help!

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Search for updated Addons.
fSpy is also supported by blender 4.4 and is no longer integrated into blender. (Independent Run)

Import only the saved files in fSpy to the blender.

If you are not an Addon that works with a blender, you can create it in blender 2.7 and save it and import it to a different version.

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Thank you so much, I will try the first method you suggested, the standalone, right away.

4

I downloaded F-spy standalone but I don’t see anywhere on the site which ZIP I need for the addon for Blender?

I still have an old addon importer ZIP for F-spy in Blender but it doesn’t work, at least it stays in the missing addons list.

Because Blender doesn’t have a standard F-Spy importer.

And installing two Blender versions is very cumbersome, because importing from one and then exporting to version 3.4 takes much more time!

What is the best thing for me to do from this point on, other than installing two Blender versions on my PC?

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Please check the link below for fspy

Unsupported Addons have no way of doing this unless there is an update.

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Thanks again, Fspy standalone works fine, only which ZIP should I use for the addon in Blender 4.3?
Or is it this complete ZIP file that I need to install in Blender?

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fsfs
fsfs1129×691 167 KB

Please place the folder in the C:\Users\User\AppData\Roaming\Blender Foundation\Blender\4.3\scripts\addons folder

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Unfortunately after your instructions the addon still does not work, it does not appear in the sidebar and also not under import.

After I restarted Blender twice!

Then it stops and I can not use F-spy in the new version, already. Unfortunately since 4.0 F-Spy did not work anymore.

Thank you very much for your help and clear instructions!

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Once you have the .zip file for the Blender Importer version 1.0.3 ( I just used the latest release, for Windows…
In the Blender Preferences > Addons > click the Down arrow and select Install from Disk. Then navigate to the .zip you have ( once you click install from disk ) it should open up and show in the preferences window as active… If it doesn’t then it is a problem on your computer.

I just installed it in Blender 4.3.3, and I saved the test file from F-Spy… I used Blender in the 3d viewport, select > File > Import > F-Spy…

image
image1300×753 151 KB

As you can see it still works fine…

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Please refer to the video

You can download the appropriate Addon and install it by the Addon installation method.

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@oo_1942 and @RSEhlers Thank you so much it works again!

I have only one question!

I often have that Y-up often goes wrong while when I look at the plane of cube in Fspy that it is aligned but in blender upside down!

How can I go about doing the right thing in Fspy from now on?

Because even if I don’t adjust the XYZ in Fspy it will still be imported upside down in Blender!

Any advice and what I should pay attention to when importing in Blender or exporting from Fspy?

Thak you so much, both of you!

Ps

Here you see the camera importing upside down.

IMG_2415
IMG_24154032×2268 2.36 MB

IMG_2416
IMG_24164032×2268 2.33 MB

IMG_2417
IMG_24174032×2268 1.84 MB

IMG_2418
IMG_24184032×1344 1.24 MB

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It’s a problem that can happen sometimes, but the solution is simple.
From the blender, place the 3D Cursor at 0.0.0 coordinates and rotate the camera around the 3D Cursor.

I’m not an English speaker, so I can’t convey the meaning well. :sweat_smile:
Please refer to the video below.
It is well organized about the Fspy work method.

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Thank you so much!

I didn’t know that to make Fspy work properly you had to switch so much between Blender and Fspy and with focal lengths. But suppose you get a picture or something from the internet then you literally have to guess everything, to not end up with the camera upside down like I did.

The man explains it well, but after 20 min I was already lost with too much information and more questions than before. I just wanted to know how it is possible that I always execute the same problem, with -X, -Y and my camera upside down?

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As explained above, camera orientation flipping is not such an important issue.
It’s a problem that can be easily fixed.
The important thing is whether the camera is extracted.

In addition, the images found on the Internet are likely to be processed.
In this case, accurate information extraction is not possible.

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The easiest option is to rotate the camera 180 degrees over the Y axis.

But then you run into the problem that the world Axis is no longer correct compared to the other models etc even if you rotate the camera over the Y axis with the 3D cursor, as you indicated?:grin::smile: