1: Create a world ~
2. Be sure to change the creative mode, or you will fall into nothingness!
3. Open more choices in the world
4: Click the world type; Press Personalize.
5: Remove all layers
6: Then click Preset.
7: Then enter 2 in this space; 0; 1 is enough.
8: Click Use Preset again.
9: Click Finish
10: Then create a new world!
1 1: Come in vain, press the space bar twice! Or you'll die if you fall!
12: How to put the square? This forms a square under your feet.
13: ok ~ I can finally make my own map ~