What is Mayo
Mayo is a 3D viewer and converter inspired by FreeCad
Overview
- View and convert 3D files in different formats
- Explore assembly trees and view properties
- Cross platform: runs on Windows, Linux and macOS
- Underlying toolkits: OpenCascade and Qt
Current features
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Support of multi-documents, user can open many files in the session
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Support of STEP/IGES assemblies(product structure and colors)
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Area and volume properties for meshes and shapes
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Editable name of STEP/IGES entities
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Editable 3D properties of the imported items, eg. material, color, display mode, ...
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3D exploding of the model tree, allowing better exploration of complex designs
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3D clip planes with configurable capping
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3D view cube providing intuitive camera manipulation
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Perspective/orthographic 3D view projection
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Save image(snapshot) of the current 3D view
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Quick access to the CAD files recently open thanks to thumbnails in the Home page
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Toggle visibility of any item from the Model tree(use checkbox)
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Customizable precision of the meshes computed from BRep shapes, affecting visualization quality and conversion into mesh formats
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Convert files to multiple CAD formats from command-line interface(CLI)
3D viewer operations :
- Rotate : mouse left + move
- Pan : mouse right + move
- Zoom : mouse wheel(scroll)
- Window zoom : mouse wheel + move
- Instant zoom : space bar
- Select Object: mouse left click
- Select Objects: SHIFT + mouse left clicks
Supported formats
| Formats | Import | Export | Notes |
|---|---|---|---|
| STEP | ✔ | ✔ | AP203, 214, 242(some parts) |
| IGES | ✔ | ✔ | v5.3 |
| OpenCascade BREP | ✔ | ✔ | |
| DXF | ✔ | ❌ | |
| OBJ | ✔ | ❌ | Requires OpenCascade ≥ v7.4.0 |
| glTF | ✔ | ✔ | Import requires OpenCascade ≥ v7.4.0 Export requires OpenCascade ≥ v7.5.0 Supports 1.0, 2.0 and GLB |
| VRML | ❌ | ✔ | v2.0 UTF8 |
| STL | ✔ | ✔ | ASCII/binary |
| AMF | ❌ | ✔ | v1.2 Text/ZIP Requires gmio ≥ v0.4.0 |
Gallery
How to build Mayo
Build instructions for Windows MSVC
Build instructions for Debian