structure-expansion-1802.1.1-build.3.jar is a release file of the Minecraft mod Structure Expansion for Forge, made for Minecraft 1.18.2. It was published on March 3, 2022 and is 0 MB in size. For the full description, screenshots and every other version, visit the Structure Expansion mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.