![Faster Iris Shadow Mapper [FISM]](https://cdn.modrinth.com/data/nSRLvOHG/31447d97794f20b5ca23933908e43f63c7e26e3b_96.webp)
ModsJava
Faster Iris Shadow Mapper [FISM]
Java mod listed for Minecraft 26.x. File opened and checked on 27 Sep 2026; downloads from the MC Java Mods app on Android.
Slightly improves the speed of Iris' shadow mapper. Built-in in Iris since Iris 1.11.2. Free Minecraft Java mod for 26.3.
⬇ Download on Modrinth![Faster Iris Shadow Mapper [FISM] — screenshot 1](https://cdn.modrinth.com/data/nSRLvOHG/images/5b37bb3b56bd1587c24be025d4e2b31fc6adbf37_350.webp)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 26.3
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as fastershadowmapper+26.3-1.0.7.jar — drop this file into the mods folder
- Download size: 22 KB
- Download link checked 7 Oct 2026 — working
These come from our own check of the pack file, not from the source page.