Facet app icon

Facet

3D and CAD file viewer for iPhone and iPad

Coming soon to the App Store

Facet opens 3D and CAD files on iPhone and iPad. Offline. No account. No ads. Large files open without closing the app.

Facet showing a STEP assembly with its dimensions. Caption: Opens STL, STEP, OBJ, 3MF and more. Facet Recents screen with thumbnails of STL, STEP, OBJ, GLB, G-code and 3MF files. Caption: Offline. No account. No ads. Facet cutting a STEP part with a section plane. Caption: Measure, section and export with Pro. Facet showing a large STL as a reduced version. Caption: Big files, no crashes.

Formats

Every format opens in the free version.

No limit on the number of files.

  • STL
  • STEP / STP
  • DXF
  • OBJ with MTL colors
  • GLB / glTF
  • 3MF
  • G-code

Free

  • Orbit, pan and zoom, perspective or orthographic view
  • Model info: triangle count, bounding box with dimensions, units and layers
  • Screenshot and share
  • G-code layer slider, with extrusion shown apart from travel moves
  • Light or dark appearance, following the system

Pro One-time purchase

  • Point-to-point and angle measurement
  • Section plane
  • Export and conversion to STL, OBJ or GLB
  • Wireframe and normals with mesh analysis
  • Comparison of two models
  • Viewport themes

Pro is not a subscription and works with Family Sharing.

Large files

When a model is too large for the memory of your device, Facet opens a reduced version and tells you so, instead of crashing.

Files and Quick Look

Open files from Files, Mail or any app with Open In. Quick Look previews and thumbnails in Files show your models without opening Facet.

iPad

Split View, Stage Manager, several windows, keyboard shortcuts, trackpad and pointer.

Privacy: Data Not Collected

Your files never leave your device, and Facet itself opens no network connection. No account, no tracking, no ads. Purchases are handled by the App Store.

Read the Facet Privacy Policy

Requires
iOS 17 or later, iPadOS 17 or later
Price
Free, with an optional one-time Pro purchase
Languages
English, Chinese (Simplified and Traditional), Czech, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese (Brazil and Portugal), Russian, Spanish, Swedish
Developer
Uranum LLC (company information)
Support
Support page · support@uranumlabs.com
Legal
Privacy Policy · Terms of Use (Apple Standard EULA) · Open-source licenses in the app, under Settings › Third-party licenses