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We need fiducial markers rigidly attached to a rotating table and in between these markers, we place an object, correct? Yes. Is it enough to create a setup as shown on the picture? Yes. Must the print size of the fiducial markers have a certain size? No. You can use different markers (different cells count, size, etc). But you should change fiducial configuration file (fiducial.yaml) for your markers. Are there any crucial aspects I have to be aware of in my preparation? I think no. You should only write bag file with object rotation.

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We need fiducial markers rigidly attached to a rotating table and in between these markers, we place an object, correct?

Yes.

Yes.

Is it enough to create a setup as shown on the picture? picture?

Yes.

Yes.

Must the print size of the fiducial markers have a certain size? size?

No. You can use different markers (different cells count, size, etc). But you should change fiducial configuration file (fiducial.yaml) for your markers.

Are there any crucial aspects I have to be aware of in my preparation? preparation?

I think no. You should only write bag file with object rotation.