STLRepair vs Sand3D
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
STLRepair compared with Sand3D
| Detail | 
STLRepair | 
Sand3D |
|---|
| What it does | Free browser-based STL file checker and conservative mesh repair tool
| 100,000 3D objects written as code, from CAD parts to articulated mechanisms
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| Stage | Not given
| Not given
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| Founded | Not given
| 2023
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| Based in | Not given
| FR
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| Pricing model | Freemium
| Open source
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| Pricing | Local checker: $0 / file. Private repair & export: pay as you go after launch with credits.
| Not given
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| Key features | - Local browser STL parsing of binary and ASCII files
- Five core mesh issue detection families
- Conservative repair preview for safe fixes
- Mesh health score and detailed issue report
- Sampled mesh projection visualization
- JSON repair report download
- File size limit up to 10 MiB
- Triangle limit up to 100,000
| - 100,000 3D objects in a single downloadable collection
- Fully parameterized code with named dimensions for each part
- Mesh files ready for Blender, three.js and glTF engines
- Objects recreated from five major open collections
- Commercial use allowed
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| What makes it different | - No file upload required—all processing runs locally in your browser
- Conservative repair approach with verified output before download
- Free indefinitely for local browser checks
- Clear boundary between what the tool fixes and what requires manual review
| - All 100,000 objects written in a single unified language
- Articulated objects with fully controllable joints and limits in code
- Each object's original source verified and programmatically accurate
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ▼ −1 (down) since last check | 10 ● no change since last check |
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| Trust Flow (Majestic) | 18 | 15 |
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| Citation Flow (Majestic) | 15 | 23 |
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| Referring domains (Majestic) | 33 | 56 |
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4 details filled in for both companies.
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