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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.
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2026-10-31_15.48.27 Medium.jpeg

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2026-10-31_15.49.26 Medium.jpeg

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Description

Forma

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.

Editor overview


✨ 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 .schematic and .schem files

🏔️ Terrain Brushes

Shape hills, valleys and coastlines. Each brush has an adjustable radius and strength.

Terrain brushes

📦 Selection & Editing

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

Selection tools

🧭 Move Whole Builds

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

Moving a selection


🎮 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

  1. Install Minecraft Forge 1.12.2.
  2. Put the Forma jar in your mods folder.
  3. 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.

Forma Team

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