Concept view of an assembled modular cavern with mineral curtains, a pool, bridge and climbing paths

FOR THE WORLDS YOU CAN’T WAIT TO BUILD

Make a place.
Make an adventure.

3D printable scenery. A free desktop world builder. A campaign workshop that stays on your PC.

Download for Windows ↗

Free editor · Windows 10/11 · Free starter scenery

✓OFFLINE BY CHOICE · No signup. Your files.

Concept artwork · explore the actual models below

Free, open-source editor Worlds, encounters & campaigns OpenLOCK-compatible scenery Local files. No subscription to edit.

SMALL PIECES. ENDLESS POSSIBILITIES.

Your next world starts here.

Start with the free essentials and explore Deepstone’s detailed cavern scenery. Willowbrook’s village models are in a print-readiness review before the next release.

PREMIUM SCENERY · LOOK CLOSER

The difference is
in the detail.

Our basic free library gives you the building blocks. Willowbrook adds sculpted surface character and architectural detail for the places you want players to remember.

Concept courtyard with a coherent timber frame, plaster infill, stone footing and cobbled floor
FREE TERRAIN · CONCEPT SCENE

Simple pieces can make a place.

A concept illustration for the visual direction. The editor gallery below shows actual downloadable models.

PREMIUM WILLOWBROOK

Willowbrook detail, up close.

Explore a static preview of this cottage body from four prepared angles. The preview is an image only. Willowbrook downloads are paused while print files are corrected and checked.

Architectural detailTextured surfacesCharacterful props
See preview gallery →

Try high-detail scenery for free. Deepstone’s 50-piece starter collection gives you a detailed cavern to explore before choosing a paid pack. It is our free introduction to this more detailed style of scenery.

Image preview only. Download the scenery pack through its licence and activation.

YOUR DESKTOP IS THE WORKSHOP

One encounter.
An entire world.

Pick a piece, place it in 3D, and keep building. Save a room as an encounter, bring encounters into a world, and add height and layers to your tabletop.

  • Build in three dimensions Place, rotate, move and raise scenery on a snapped grid.
  • Reuse what you create Keep saved encounters and scenes in your local library.
  • Bring it to the table Export print files for your slicer, or use our print service.
Look inside the editor →
The actual Terrain Foundry desktop editor
The actual Terrain Foundry desktop editor

FROM FIRST IDEA TO GAME NIGHT

A campaign worth
gathering around.

Write the adventure, build its locations, and run it at the table. Your notes, encounters and sounds belong together.

Campaign workspace and local soundboard
Campaign workspace and local soundboard · actual desktop client

PREPARE. PLAY. KEEP THE STORY GOING.

Your whole session,
in one place.

  • Dungeon-master runbooks Read-aloud scenes, private notes, choices and consequences.
  • A soundboard with atmosphere Local audio, looping ambience and cues for your adventure.
  • A creative companion, if you want one Discuss ideas by text or live voice; develop stories, art and terrain layouts.

Optional online AI requires your own OpenAI API key and separately billed usage. Manual campaign editing and local sounds work offline.

Explore the campaign builder →

BEYOND THE DUNGEON

Different hobbies.
The same imagination.

More places to build are on the drawing board. These are collection concepts, not currently downloadable packs.

Concept artwork of a miniature country railway station and stone bridge

COLLECTION CONCEPT · IN DEVELOPMENT

A world beside the rails.

Stations, bridges, platforms and scenery for model railway layouts.

Concept 1:32 slot car circuit with brick marshal tower, raised platform, pit buildings and sloped scenery

COLLECTION CONCEPT · IN DEVELOPMENT

Make every lap a scene.

Pit buildings, barriers and trackside details for model racing circuits.

OFFLINE BY CHOICE

It’s your world.
Keep it on your PC.

Once the app and scenery are installed, build terrain, write campaigns, save worlds and encounters, play local sounds and export print files without an internet connection. No required account. No cloud campaign storage.

Go online only when you choose: downloads, updates, premium activation, optional AI or a print-service request.

How it all works →