# STL Workshop — 3D print viewer & prep

> 3D print viewer & prep (iPhone/iPad app by Dentagram.)

- Source: https://appshunter.io/ios/app/stl-workshop/id6793010116 (this page in markdown: same URL + `.md`)
- Developer: [Dentagram](https://appshunter.io/developer/1863737857)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English, French (France)
- Released: 2026-07-23
- Data updated: 2026-08-10
- User reviews in markdown: https://appshunter.io/ios/app/stl-workshop/id6793010116/reviews.md

## What is STL Workshop?

STL Workshop is a 3D model viewer and editor built for 3D printing.

IMPORT
• STL (binary, ASCII, colors), OBJ, PLY, 3MF, USDZ
• From Files, Mail, AirDrop — open any model in seconds

VIEW
• 7 render modes: shaded, edges, wireframe, x-ray, normals, overhangs, wall thickness
• Interactive section cut, layer preview, exploded view
• Studio and HDR lighting, realistic materials

ANALYZE
• Full diagnostics: watertightness, manifold topology, normals, shells
• Dimensions, volume, surface, weight and cost by material and infill
• Estimated print time, bed stability, center of gravity
• Precise measurements: distance, angle, diameter

PREPARE
• Automatic repair: filled holes, fixed normals, removed debris
• Auto-orientation minimizing overhangs on import
• Scale, rotate, mirror, lay flat, automatic base
• Hollowing with drain holes (resin), drilling and booleans, embossed or engraved 3D text
• Grid duplication, predefined printer beds

EXPORT
• STL, OBJ, USDZ and augmented reality (AR Quick Look)
• HD transparent captures, 360° GIF
• Direct upload to OctoPrint or WebDAV servers
• Siri Shortcuts: convert to USDZ, repair an STL

Units in millimeters. No ads, no data collection.


## Version history (last 1 release)

### 1.0 — 2026-07-23

No release notes.

## More apps by Dentagram

- [Planning Dentagram](https://appshunter.io/ios/app/planning-dentagram/id6756928373)
- [Empire, Inc.](https://appshunter.io/ios/app/empire-inc/id6790151321)
- [Mega Donut](https://appshunter.io/ios/app/mega-donut/id6792445321)
- [Putt Pals](https://appshunter.io/ios/app/putt-pals/id6792445480)
- [Absurd Fishing](https://appshunter.io/ios/app/absurd-fishing/id6792445832)

All apps by Dentagram: https://appshunter.io/developer/1863737857

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-10.*