Cadrio3D
ryo sasaki Business iPhoneiPadiPod touch
Cadrio3D is a free Business app for iPhone and iPad by ryo sasaki. Requires iOS 26.2. Updated October 30, 2026.
- Price
- Free
- on the App Store
- Size
- 59 MB
- Age 4+
- Updated
- Oct 30
- 2026 · v1.12
Screenshots
About Cadrio3D
Cadrio3D is a full 3D CAD app for iPad and iPhone. Sketch, build solids, bend sheet metal, unfold flat patterns and create drawings, all with your fingers and Apple Pencil, no PC required. Built for on-site measuring, prototype parts, 3D printing, and sheet metal and duct flat patterns. ■ 3D MODELING • 2D sketches with dimensions and constraints (lines, circles, arcs, splines) • Extrude, revolve, sweep and loft • Boolean union, cut and intersect • Fillet, chamfer, shell and draft • Threads, hole wizard, helix and primitive shapes • Turn 3D sketch wireframes into solids • Pattern, mirror and align ■ SHEET METAL • Base flange from a sketched polyline • Flange and hem, partial flange, bend relief • Corner treatment (miter, butt, overlap) • Flat pattern with K-factor bend allowance and bend lines • Unfold pipes, cones and square-to-round ducts, with a selectable seam ■ DRAWINGS • Third-angle projection views from your 3D model • Dimensions and leaders • Export to PDF and DXF ■ CHECK & ANALYZE • Mass properties (volume, weight, center of mass) • Bill of materials, interference check, section view, measurement • Linkage motion playback with joints ■ CONNECT TO THE REAL WORLD • Scan objects and rooms with LiDAR (with photo textures) • Place models at real scale with AR • Draw lines in the air with AR to create 3D sketches ■ FILES • Import: STEP, STL, DXF, JWW • Export: STEP, STL, DXF, 3MF, OBJ, PDF • Place images (JPEG, PNG and more) as underlays ■ COMFORT • Parallel and perspective projection • Display units: mm, cm, m or inch • Built-in MCP server so AI assistants can work with Cadrio3D ■ FREE VERSION & CADRIO PRO Try every modeling feature for free (up to 1 saved drawing in the app). Cadrio Pro removes the save limit and unlocks file export (STEP, DXF, STL and more), PDF/DXF drawing export and library saving. Choose a monthly or yearly subscription, or a one-time lifetime purchase. ■ ABOUT SUBSCRIPTIONS • Payment is charged to your Apple Account at confirmation of purchase. • Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours before the end of the current period. • You can manage subscriptions and turn off auto-renew in your Apple Account settings after purchase. Terms of Use (EULA): https://ohkumado.com/cadrio3d/terms-of-use.html Privacy Policy: https://ohkumado.com/cadrio3d/privacy-policy.html
What’s new
Version 1.12 · Updated October 30, 2026
Fixed a bug in the lasso selection tool in Sketch mode Made the seams of rounded-corner flat patterns selectable Added X/Y/Z preview lines in Measure mode Improved zoom controls on drawing sheets
App privacy
The developer, ryo sasaki, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: App Functionality
Alternatives to Cadrio3D
Looking for apps like Cadrio3D? Here are 6 similar apps on the App Store. The highest rated is MakerSolid CAD (4.5/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Cadrio3D | – | Free | October 30, 2026 | |
| AiCadGen | – | Free | Aug 30, 2026 | Compare |
| PocketCAD - DXF Viewer | – | Free | Oct 4, 2026 | Compare |
| MakerSolid CAD | 4.5 / 5 (2) | Free | Oct 23, 2026 | Compare |
| KNoted | – | Free | Jul 23, 2026 | Compare |
| App Blocker - Tranquo | 4.0 / 5 (1) | Free | May 29, 2025 | Compare |
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