Point A -> Point B -> preview -> Build Selected Area (default B Key).

- Lime Point A marker, cyan Point B marker, magenta cuboid preview.
- Normal right-click after both points are set adjusts the nearer endpoint.
- Sneak + right-click clears the pending selection.
- Large jobs are queued across server ticks to reduce lag.

Major features 

• Fill / Walls / Hollow.
• Replace Existing / Air Only.
• Obstruction Safety.
• Water-surface building.
•  Infinite water/lava bucket building when water or lava buckets are held in left hand and stick in right.
• Optional Drag Build: hold to preview, release keybind to build. (You'll need to bind it first.)
• Optional God Mode Tools with zero durability loss, tree clearing, Silk Touch/Fortune loot, Survival/Adventure bedrock protection and area hoe tilling when tools are put in left hand and stick in right and the God Mode is toggled on. 
• Plus always-available empty-bucket placed in left hand does water/lava clearing.
  
  
• Optional Mod Menu (But we highly recommend it.)
• Optional Keybinds

Recipe: 5 Redstone and 2 sticks.

Requirements

- Minecraft Java 26.2
- Fabric Loader 0.19.5+
- Fabric API
- Java 25
- Mod Menu optional