Develop

Spatial Editor overview

Updated: Apr 22, 2026
Hero image of Spatial Editor
Spatial Editor (download here) is a spatial composition tool for Spatial SDK. Import, organize, and transform your assets into visual compositions and export them into Spatial SDK projects to create immersive Meta Horizon OS experiences.
  • Layout both 2D and 3D objects without writing any code, which speeds up iteration and creation.
  • Assign Spatial SDK components to objects directly within Spatial Editor instead of managing this logic in code.
  • Use tooling that’s familiar to 3D artists and designers, facilitating faster and more efficient collaboration.
  • Let AI agents create and manipulate 3D scenes programmatically using the built-in mse-agent command-line tool.
To learn about best practices that will further enhance your app’s user experience and broaden its audience, see the design guidelines.

Projects, assets, compositions, and objects

A Spatial Editor project integrates with a Spatial SDK app containing all of the assets, compositions, and objects used in the app:

Get started

Before you begin:

Design guidelines