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Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections

Q: How do I install Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections?

Download the .zip resource pack — do not unzip it. Put it in .minecraft/resourcepacks. Enable it in Options → Resource Packs. In MC Java Mods, or directly above on this page.

Q: What Minecraft version does Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections work with?

The listing gives Minecraft 26.3, 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

Java shader pack listed for Minecraft 1.20–26.x. Downloads from the MC Java Mods app on Android.

by Moon

⬇ Download

Open in MC Java Mods Get it on Google Play →

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 1

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 2

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 3

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 4

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 5

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 6

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 7

Aetherium PTGI Shaders (26.3, 1.20.1) – Path Traced Lighting and Reflections — screenshot 8

Aetherium PTGI Shaders illuminates your Minecraft world with path-traced lighting and realistic visual details. This shader pack fits sci-fi cities and fantasy kingdoms best. It transforms simple landscapes into magical realms filled with realistic light and deep shadows. Sunlight bounces off surfaces to create soft room interiors and glowing highlights. Every fantasy build looks crisp and cinematic once you turn the shader.

Features:

Path-Traced Lighting: Lights and sunbeams bounce across blocks to brighten dark rooms realistically.
Fantasy Atmosphere: Gives your builds a cinematic look suited for magical castles and sci-fi bases.
Realistic Shadows: Casts soft, accurate shadows that shift as the sun moves across the sky.
Water surfaces reflect nearby structures and sky colors cleanly.
Light sources cast bright glows on nearby blocks during nighttime.

Screenshots:

Aetherium PTGI Shaders Screenshot 1

Aetherium PTGI Shaders Download Links

Quick facts

Edition: Minecraft Java
File type: .zip (resource pack)
Minecraft versions listed: 26.3, 1.20.1
How to install: Download the .zip resource pack — do not unzip it. → Put it in .minecraft/resourcepacks. → Enable it in Options → Resource Packs.
Where to get it: In MC Java Mods, or directly above on this page.

Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.

File checked by MCModsHub

Downloads as 537327.mcpack
Download size: 21 KB
Download link checked 31 Oct 2026 — working
Mirrored on our own servers — the download does not depend on the original host

These come from our own check of the pack file, not from the source page.

Explore more

All Shaders for Java All Minecraft Java mods Java mods for 26 Java mods for 1.20