This mod adds new recipes and allows you to mirror your builds. The name of this mod says it all, it makes building effortless. How the Effortless Building mod makes things fun:

Undo big mistakes without having to manually break and rebuild everything.

It has the best features for building large monuments too! The mod is an absolute must-have for builders. It’s an admin’s favorite tool when griefers go rampaging through bases. You have probably run into it at least once. I would be an idiot if I didn’t have this as the first mod. That’s why I have compiled a list of 15 of the best building mods Minecraft has to offer to keep your building fast and easy. Modding is fun and you know you love it! And modding isn’t all about adding a portal gun to your game, you can add helpful tools to make your time as a builder so much easier. I know you’ve probably played Tekkit, FTB, or any of those amazing mod packs. The beauty of Minecraft is that you can mod it to be completely unrecognizable. I understand, we’ve all wanted to recreate the most iconic levels from Super Mario 64 or your favorite CS:GO map, but it’s a long process. You’ve probably been three hours into a complex Minecraft build, looked back and realized that you’re only 5% done.

Minecraft 1.11.2 modpacks