# \#shadow-acne

**URL:** https://discourse.threejs.org/tag/shadow-acne/1791.md

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## [Per-object or per-material shadow bias, instead of per-light](https://discourse.threejs.org/t/per-object-or-per-material-shadow-bias-instead-of-per-light/87669)

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**Author:** [@trusktr](https://discourse.threejs.org/u/trusktr)\
**Replies:** 0\
**Last updated:** [October 21, 2025, 10:12pm UTC](https://discourse.threejs.org/t/per-object-or-per-material-shadow-bias-instead-of-per-light/87669 "2025-10-21T22:12:36Z")

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Sometimes I really want to change shadow bias on a particular object. Otherwise, changing a light’s shadow bias affects shadow positioning in the whole scene which is not desirable. What would it take to support this in…