I AM NOT RESPONSIBLE FOR ANY DATA CORRUPTION. USE THIS RESPONSIBLY. What you will need: A 3DS (New or Old) A way to access the homebrew menu (OoTHax, Browserhax, Tubehax, Themehax, etc) Save Data Manager. If you dont have this you can get it here: https://gbatemp.net/threads/save-data-manager-and-editor-for-firmware-up-to-9-9.396245/ (it says up to 9.9, but it works up to 10.2) A folder on the root of your sd card named 'savedatabackup' Method: Go to your homebrew menu using the method you use Find your Save Data Manager application and tap it. You will then be prompted to find your title to back up your save. Find New Leaf. Use the D-Pad to find your title. Once the save data manager loads, press A to back up your save. Once this is done, go to your computer. Open your web browser and go to usuaris.tinet.cat/mark/acnl_editor/ Then press 'choose file' and insert your 3DS sd card. Locate your savedatabackup folder and find your garden.dat file. Press this and then soon your town map will load. Here, you can make any changes to your town as you wish. Be responsible and do not use this like crazy. Once you are done press save changes and then another garden.dat will download. Replace the garden.dat in your savedatabackup folder with this one. Once you have done that put your SD card back in your 3DS and go to your homebrew menu and then load the Save Data Manager. Select your ACNL title again and once the manager loads press B. This will import the data on your sd card. Now you are done! go to your ACNL game and your modifications should be there! Have fun!