# \#uv-bleed

**URL:** https://discourse.threejs.org/tag/uv-bleed/290.md

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## [Help needed: UV decal across seams approach](https://discourse.threejs.org/t/help-needed-uv-decal-across-seams-approach/92284)

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**Author:** [@Parisa\_Shahbazi](https://discourse.threejs.org/u/Parisa_Shahbazi)\
**Replies:** 21\
**Last updated:** [June 24, 2026, 11:37am UTC](https://discourse.threejs.org/t/help-needed-uv-decal-across-seams-approach/92284 "2026-06-24T11:37:59Z")

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Decal across UV islands - core challenge Hi everyone, I need help with the core technical challenge of placing a decal across UV seams. The setup: In our 2D UV canvas, I have multiple UV islands (different mesh piece…

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## [6 \* 1 Format picture UV vertices are mapped into cube splices where there are gaps](https://discourse.threejs.org/t/6-1-format-picture-uv-vertices-are-mapped-into-cube-splices-where-there-are-gaps/39053)

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**Author:** [@hy212](https://discourse.threejs.org/u/hy212)\
**Replies:** 4\
**Last updated:** [June 11, 2022, 8:06am UTC](https://discourse.threejs.org/t/6-1-format-picture-uv-vertices-are-mapped-into-cube-splices-where-there-are-gaps/39053 "2022-06-11T08:06:01Z")

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six pictures inline, UV vertices are mapped into cube splices where there are gaps. original picture: looks like this： ----------------------- main Code like this: ----------------- container = document.…

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## [Edge texture bleed with custom UV mappings](https://discourse.threejs.org/t/edge-texture-bleed-with-custom-uv-mappings/28970)

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**Author:** [@Lunar](https://discourse.threejs.org/u/Lunar)\
**Replies:** 5\
**Last updated:** [August 31, 2021, 6:27pm UTC](https://discourse.threejs.org/t/edge-texture-bleed-with-custom-uv-mappings/28970 "2021-08-31T18:27:20Z")

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Hello creative enthusiasts, I’m new to Three.js and am currently playing around with UVs. I believe I am experiencing what is commonly known as “texture bleed” or “uv bleed”, where my geometry is picking up surrounding …

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## [Texture atlas (custom UV mapping) causing artifacts/bleed at edges](https://discourse.threejs.org/t/texture-atlas-custom-uv-mapping-causing-artifacts-bleed-at-edges/16961)

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**Author:** [@JoeyMorani](https://discourse.threejs.org/u/JoeyMorani)\
**Replies:** 2\
**Last updated:** [July 11, 2020, 1:59pm UTC](https://discourse.threejs.org/t/texture-atlas-custom-uv-mapping-causing-artifacts-bleed-at-edges/16961 "2020-07-11T13:59:02Z")

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Hi. I’m using a single texture (basis format, 512x512px) as a texture atlas and then modifying the UV of a geometry to only show a single 128x128px area of that texture. var uv = new Float32Array(\[0.25, 0, // top right …

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## [Control pixel bleeding through uv seams](https://discourse.threejs.org/t/control-pixel-bleeding-through-uv-seams/885)

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**Author:** [@cg-cnu](https://discourse.threejs.org/u/cg-cnu)\
**Replies:** 4\
**Last updated:** [September 20, 2017, 4:53pm UTC](https://discourse.threejs.org/t/control-pixel-bleeding-through-uv-seams/885 "2017-09-20T16:53:53Z")

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A simple cube with Lightmap pack looks perfect when zoomed into. I see a set of black lines showing up when zoomed out. Is there anything I can do from threejs to control the black pixels bleeding through the uv seam…