Tamron AF 70-300 macro zoom repair

To repair the lens, Tamron AF 70-300 macro made this part located between the zoom ring and the zoom mechanism. I did not know what the original looked like; two masters unsuccessfully repaired it before me. The part requires a slight modification of the file at the place of installation. Lens functions fully restored.
https://youtu.be/FfNbTgKGVQg