# WorldEdit for Minecraft 1.21.1 > How to WorldEdit - Basics **Published by:** [Yet Another Screen](https://paragraph.com/@yas/) **Published on:** 2024-09-12 **URL:** https://paragraph.com/@yas/minecraft-worldedit-basics ## Content First Steps - SET CommandStart by selecting block 1 with left click| Left Click Block 1Select Block 2 with right click| Right Click Block 2Fill the Region with the following command//set polished_blackstoneBeforeAfterHollowing it OutLocate the top and bottom corners of your buildingRun the following command/fill top_x top_y top_z bottom_x bottom_right bottom_z airEnjoy your hollow cubes! ## Publication Information - [Yet Another Screen](https://paragraph.com/@yas/): Publication homepage - [All Posts](https://paragraph.com/@yas/): More posts from this publication - [RSS Feed](https://api.paragraph.com/blogs/rss/@yas): Subscribe to updates ## Optional - [Collect as NFT](https://paragraph.com/@yas/minecraft-worldedit-basics): Support the author by collecting this post - [View Collectors](https://paragraph.com/@yas/minecraft-worldedit-basics/collectors): See who has collected this post