How do i remove these lines

[spare summit]

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[regal condor]

you can barely see them but theres a small line in between the pixels

i really dont know how to remove these

[fair sluice]

!faq texture-bleeding

[spare summit]

FAQ

Blockbench: Texture Bleeding

If you see thin lines on some edges of your model that should not be there, that is caused by an effect called Texture Bleeding. Some of the color of the neighboring pixels on the texture are visible where they should not be. In most cases, this artifact is caused by anti aliasing (MSAA), a technique to smooth the edges of your model in the render.
There are several ways to solve this:

• If you just want to get rid of the lines in the Blockbench preview or in screenshots, you can enable the setting "Fix anti-aliasing bleeding" in Blockbench.
• If this didn't resolve the issue completely, you can disable "Anti Aliasing" in the Blockbench settings. Make sure to restart the program after changing the setting.
• If you want to export your model into another application or into a game, the effect is often less (and sometimes more) noticeable. To fix it in the model, install the Blockbench plugin Plaster, then select the cubes you want to fix and go to Tools > Plaster. This does not work in Box UV mode.
• Another way to preemptively reduce texture bleeding is to leave a gap between your UV sections. The Blockbench template generator comes with a "Padding" option that let's you do this.