RayTracing Build for Minecraft 1.20.1, 1.21.1
A modpack that uses the Photonics mod to allow for high-performance raytracing without the need for an RTX GPU. The Photonics mod also adds 3d textures to 2d models.
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- 23 views
- Updated
- Updated 03.10.2026
- 1.20.1 — 1.21.4
Fabric- Client
About the RayTracing modpack
A simple mod pack that adds rayracing support to Minecraft using the Photonics mod. It also includes controller support as well as several general optimization mods. The pack doesn't require an RTX GPU to run\ -Minimum System Specs: GTX 1650/GTX970/RX580 1080p Med\ -recommended at least a GTX 1070 for 1080p ultra \ -GTX 1080ti/RTX 3060 12g/RTX 4060/RX 6600xt or better for 1440p ultra
Current Bugs Im aware of: 3d Textures may be glitched or have an odd apearence\ The world may not load properly or have visual glitches, reload shaders to fix
How to install RayTracing
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the modpack for Minecraft 1.20.1–1.21.4 on Fabric automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Download the modpack archive
In the version list above, pick the file RayTracing 1.0.0.mrpack (35 KB).
Import it into a launcher
A launcher that supports modpacks (Millida Launcher, Prism) takes the archive via “Add modpack”, then “From file”. No need to unpack it yourself.
Allocate memory
Modpacks need more memory than the plain game: set 4–6 GB in the profile settings.
Minecraft 1.21.4 runs on Java 21: with a different Java version the game may close right after launch.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.21.4 | Fabric | 1.21.435.1 KB | ||
| 1.21.4 | Fabric | 1.21.435.2 KB | ||
| 1.21.4 | Fabric | 1.21.4931 KB | ||
| 1.20.1 | Fabric | 1.20.1101 KB | ||
| 1.21.1 | Fabric | 1.21.180.2 KB | ||
| 1.21.1 | Fabric | 1.21.181 KB |
What it needs to run
- Continuityalready included
- YetAnotherConfigLib (YACL)already included
- Covenalready included
- Sodiumalready included
- Shrimplealready included
- Dependencyalready included
- Entity Cullingalready included
- Enhanced Block Entitiesalready included
- Indiumalready included
- Fabric APIalready included
- Sodium Extraalready included
- BSL Shadersalready included
- Dependencyalready included
- MRUalready included
- Iris Shadersalready included
- Soundsalready included
- MidnightControlsalready included
- Text Placeholder APIalready included
- Lithiumalready included
- Mod Menualready included
- ModernFixalready included
- Forge Config API Portalready included
- Sound Physics Remasteredalready included
- Presence Footstepsalready included
- Distant Horizonsalready included
- FerriteCorealready included
- LambDynamicLightsalready included
FAQ
Which Minecraft versions does RayTracing work on?
There are files for 1.21.4, 1.21.1, 1.20.1. The newest is 1.21.4.
Is RayTracing for Forge or Fabric?
Only for Fabric: 1.20.1–1.21.4.
Which mods are in the RayTracing modpack?
Mods in the modpack include Continuity, YetAnotherConfigLib (YACL), Coven, Sodium, Shrimple, Dependency, Entity Culling, Enhanced Block Entities and 18 more.
Which Java does RayTracing need?
Minecraft 1.21.4 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.
Where can I download RayTracing safely?
On this page: the file RayTracing 1.0.0.mrpack (35 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: b1998cc1e835f889dc614ca241beabb4ff88278f.
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