Forma
An in-game world editor for 1.12.2: fly a free camera, select, sculpt terrain, build shapes and move whole builds, with full undo/redo. No commands needed.
截图
介绍

Forma: In-Game World Editor
Forma turns Minecraft 1.12.2 into a visual world editor. Press Right Shift to leave your player behind, then fly a free camera and edit the world with panels and tools instead of commands.

✨ Features
- Free-fly editor camera with dockable panels
- Selections: Box Select and Magic Select, with fill, delete, copy, cut, rotate, flip and replace
- 3D move gizmo: drag the arrows or nudge with the arrow keys
- Build tools: Pencil, Eraser, Bucket Fill, Shapes (sphere, cube or cylinder), Path, Text, Extrude, Paste and Ruler
- Terrain brushes: Sculpt, Smooth, Flatten, Noise, Paint, Scatter and Melt/Grow
- Tool masks: limit edits by block, height, selection, nearby blocks and more
- Undo / Redo: up to 50 steps, each with a block count
- Schematics: save and load
.schematicand.schemfiles
🏔️ Terrain Brushes
Shape hills, valleys and coastlines. Each brush has an adjustable radius and strength.

📦 Selection & Editing
Select a region, then fill, replace, copy, rotate or flip it with one click.

🧭 Move Whole Builds
Pick up a house and move it with the gizmo. Press Enter to apply or Esc to cancel.

🎮 Controls
| Input | Action |
|---|---|
| Right Shift | Open / close the editor |
| WASD, Jump, Sneak | Fly |
| Left mouse drag | Rotate camera |
| Right mouse | Use the current tool |
| Middle mouse | Pick block |
| Scroll | Change fly speed |
| 1–9 | Switch tool |
| Ctrl+Z / Ctrl+Y | Undo / redo |
| Ctrl+C / X / V | Copy / cut / paste |
| F / Delete | Fill / delete selection |
| R / X / Z | Rotate / flip while placing |
| [ / ] | Brush radius |
📥 Installation
- Install Minecraft Forge 1.12.2.
- Put the Forma jar in your
modsfolder. - To play on a server, install Forma on the server too.
Permissions: on servers you need operator rights. In singleplayer, edit in Creative mode.
Schematics are stored in .minecraft/schematics/.
📜 License
© 2026 Kristihack. All Rights Reserved.
常见问题
Forma 支持哪些 Minecraft 版本?
Forma 支持 Minecraft Java 版 1.12.2,可用的加载器:Forge。下载时注意选择和你游戏版本一致的文件。
Forma 怎么安装?
先用 PCL2 或 HMCL 启动器安装对应版本的 Forge,再把下载的 .jar 文件放进游戏目录的 mods 文件夹,重新启动游戏即可。开启了版本隔离的,mods 文件夹在 versions/版本名 下面。
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