Mining Turtles Like in Tekkit for Vanilla Minecraft
https://www.spigotmc.org/resources/mining-turtles.8937/
TechplexEngineer went on and turned this little project into something really cool. You can find that here: https://github.com/TechplexEngineer https://github.com/TechplexEngineer/MCTurtles