Build Plus 1.16.1-1.0.0.jar is a release file of the Minecraft mod Build Plus, made for Minecraft 1.16.1. It was published on October 12, 2020 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Build Plus mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.