Developer Tools
Three Slicer
Last updated 2026-08-31 · benchmark measured 2026-08-31 — deterministic & reproducible
Browser-based 3D printing slicer that converts models to G-code locally.
Is Three Slicer production-ready?
Legit.Show scores Three Slicer 72 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Three Slicer (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Discoverability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 97/100
- Accessibility — 91/100
- Security — 25/100
- Privacy — 25/100
- Reliability — 75/100
- Standards — 92/100
- Discoverability — 100/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 582 ms to first byte.
- 2 of 2 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who it's for
3D printing enthusiasts · Makers · Manufacturers · CAD users · Printer operators
Pricing
Free
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