shapeselector-1.15.2b3.jar is a release file of the Minecraft mod Ore-Excavation:Shape Selector for Forge, made for Minecraft 1.15.2. It was published on March 1, 2020 and is 0 MB in size. For the full description, screenshots and every other version, visit the Ore-Excavation:Shape Selector mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.