So I'm working on a Bedrock World Edit tool set, and by using it, I managed to create this little diorama in less than 5 minutes without placing a single block by
WorldEdit Mod for Minecraft 1.8.9/1.8/1.7.10 | MinecraftIO
How to use WorldEdit - Vintage Story Wiki
Making Realistic Terrain using WorldEdit - video Dailymotion
How to Make Smooth Terrain in Minecraft With Worldedit. (First Instructible) : 6 Steps (with Pictures) - Instructables