See the pictures below
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Thank you for your report!
We're actually already tracking this issue in MC-73186, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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Why is this marked as duplicate? it's not lines between the sides of the model, in the pictures you can see that the upper side of the handle is completely missing, and in the second picture you can see there's model where there is no texture and the clouds become unrendered behind it, please re open.
Because you didn't specify what your issue is, so I assumed you were talking about the gap between the textures.
We already have another more detailed ticket about this though, see MC-170819. I resolved your ticket as a duplicate.