Minecraft Fill & Clone Command Generator
Generate /fill and /clone commands for building and duplicating structures. Calculate volumes and set up precise coordinate ranges.
Fill Settings
Leave empty to replace all blocks
Volume Calculator
Generated Command
/fill ~ ~ ~ ~10 ~10 ~10 minecraft:stoneFill Modes
How to Use the Minecraft Fill & Clone Command Generator
The /fill and /clone commands are essential tools for large-scale building in Minecraft. The /fill command replaces blocks in a rectangular region with a specified block, while /clone copies an entire structure from one location to another. Both commands are limited to 32,768 blocks per operation in Java Edition.
Step 1: Choose Fill or Clone Mode
Select /fill to place blocks in a region, or /clone to duplicate an existing structure. Fill is ideal for clearing areas (fill with minecraft:air), building walls, or replacing specific blocks. Clone is perfect for copying buildings, creating repeated patterns, or backing up structures before modifications.
Step 2: Set Coordinates and Options
Enter the corner coordinates for your region. Use ~ ~ ~ for relative coordinates based on your current position, or absolute coordinates like 100 64 200. For fill, choose a fill mode: replace replaces everything, hollow creates a shell with air inside, keep only fills air blocks, and outline fills only the outer edges.
Step 3: Check Volume and Copy Command
The volume calculator shows the total number of blocks affected. If it exceeds 32,768 blocks, you will need to split the operation into smaller sections. Once your settings look correct, copy the generated command and paste it into your Minecraft chat or a command block.
Frequently Asked Questions
What is the block limit for /fill and /clone commands?
Both /fill and /clone are limited to 32,768 blocks per command execution in Java Edition. This equals a 32x32x32 cube. For larger builds, split the operation into multiple commands covering smaller sections.
What is the difference between 'hollow' and 'outline' fill modes?
Both create an outer shell of the specified block. The difference is that 'hollow' replaces all interior blocks with air, while 'outline' leaves interior blocks untouched. Use hollow for creating rooms, and outline for creating frames around existing structures.
Can I clone structures across dimensions?
No, the /clone command only works within the same dimension. To move structures between the Overworld, Nether, and End, you would need to use structure blocks or the /execute in command combined with /clone.
How do I use /fill replace to swap one block for another?
Use the replace filter option: /fill x1 y1 z1 x2 y2 z2 minecraft:stone replace minecraft:dirt. This replaces only dirt blocks in the region with stone, leaving all other blocks untouched. This is useful for terrain modifications and material swaps.
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