fougue/mayo
3D CAD viewer and converter based on Qt + OpenCascade observed · 2026-10-14
Health v2 · maintenance only
83/100
- Activity 99
- Release rhythm 52
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.
- gap_med: 535
- age_days: 3735
- days_rel: 109
- days_push: 7
- n_releases_24m: 2
Adoption not part of the score
2295 stars · 375 forks observed · 2026-10-14
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
Mayo is an open-source 3D CAD viewer and converter built with Qt and OpenCascade in modern C++. It visualizes CAD models with measurement, clipping, and assembly exploration tools, and converts between formats like STEP, IGES, STL, OBJ, glTF, and DXF via GUI or CLI.
Use cases
- view STEP and IGES CAD files on Linux
- convert STL files to STEP format
- measure lengths and angles in a 3D model
- explode an assembly to inspect individual parts
- batch-convert 3D files from the command line
- preview glTF and OBJ meshes with clip planes
- open DXF files without a full CAD suite
When to choose
- you need a lightweight free CAD file viewer across Windows, Linux, and macOS
- you want scriptable conversion between major 3D/CAD formats
- you need measurement, clipping, or assembly exploration without a heavy CAD package
When to avoid
- you need parametric modeling or CAD editing rather than viewing and converting
- you require drawing/2D documentation generation
- you need a web-based or embedded 3D viewer
Facets
application · maturity active
gui cli image-processing graphics graphics files cross-platform windows cpp cad 3d-viewer file-converter opencascade step iges stl mesh gltf dxf computer-aided-design linux macos qt
1 source
- readme: https://github.com/fougue/mayo · fetched 2026-10-14 · 28d40f90bf1f
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| fougue/mayo | main | 83 |
For agents
Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem