STL Viewer: 3D Model

Contains adsIn-app purchases
Content rating
Everyone
0+
Downloads
Content rating
Everyone
In-App Purchases
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Screenshot image
Screenshot image

About this app

STL Viewer opens the model the moment you tap the file — from Drive, a browser download, an email or any file app. Drag to turn it, pinch to zoom, done.

OPENS FROM ANYWHERE
Tap a .stl and pick STL Viewer. No importing, no account, no cloud upload. The file never leaves your phone.

SEE THE WHOLE PART
• ASCII and binary STL
• Smooth turning even on models with hundreds of thousands of triangles
• Six preset views — front, back, top, bottom, left, right
• Wireframe toggle
• Dark background by default, easy on the eyes

KNOW WHAT YOU ARE LOOKING AT
• Bounding-box dimensions in millimetres or inches
• Triangle and vertex count
• Volume and surface area
• Watertight check before you send it to the printer

NO PERMISSIONS
Reads only the file you opened. Nothing else on your phone is touched.

Remove ads with a one-time purchase, or unlock unlimited snapshot sharing, an unlimited recent-files list, and custom background and material colours.

Pro: no ads, unlimited use, all features unlocked. One-time purchase.
Open any STL and turn it in 3D. Dimensions, volume, wireframe. Offline.
Updated on
Sep 14, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Initial release.
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
펜타랩
rock@pentarab.com
대한민국 서울특별시 강남구 강남구 테헤란로 328, 1동 4층 402호(역삼동, 동우빌딩) 06212
+82 10-5124-2995

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