# WorldEdit for Minecraft 1.21.1

*How to WorldEdit - Basics*

By [Yet Another Screen](https://paragraph.com/@yas) · 2024-09-12

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First Steps - SET Command
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Start by selecting block 1 with left click

![](https://storage.googleapis.com/papyrus_images/2166f5b6f30b7bf6d78290f67b735a8a.png)

| Left Click Block 1

### Select Block 2 with right click

![](https://storage.googleapis.com/papyrus_images/49006f139403416f07f0c4465a8dc886.png)

| Right Click Block 2

### Fill the Region with the following command

    //set polished_blackstone

### Before

![](https://storage.googleapis.com/papyrus_images/56e6b90eb355ccea061f013671def78e.png)

### After

![](https://storage.googleapis.com/papyrus_images/ffcbec54275d4b6f3a8946d6a1b845d6.png)

### Hollowing it Out

### Locate the top and bottom corners of your building

### Run the following command

    /fill top_x top_y top_z bottom_x bottom_right bottom_z air

### Enjoy your hollow cubes!

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*Originally published on [Yet Another Screen](https://paragraph.com/@yas/minecraft-worldedit-basics)*