Mayo – 3D CAD viewer and converter

Mayo is a 3D CAD viewer and converter based on Qt and OpenCascade.

Mayo can read/write 3D files from/to STEP, IGES, STL and many other CAD formats. Mayo 3D viewer supports clip planes, exploding of assemblies, measurement of shapes, and show/hide parts.

This is free and open source software.

Key Features

  • 3D clip planes with configurable capping.
  • 3D exploding of the model tree allowing better exploration of complex designs.
  • 3D measure tools for circles, angles, lengths, areas, bounding box, …
  • 3D view cube providing intuitive camera manipulation.
  • Quick access to CAD files recently open thanks to thumbnails in the Home page.
  • Toggle item visibility within the Model tree(use checkbox).
  • Customizable mesh precision for BREP shapes, affecting visualization quality and conversion into mesh formats.
  • Convert files to multiple CAD formats from command-line interface.
  • Formats supported:
    • Import: STEP, IGES, BREP, DXF, OBJ, glTF, VRML, STL, AMF, PLY, OFF, 3MF, 3DS, FBX, Collada, X3D, and X (DirectX).
    • Export: STEP, IGES, BREP, OBJ, glTF, VRML, STL, AMF, PLY, OFF and image files (including PNG and JPEG).
  • Cross-platform support – runs on Linux, macOS, and Windows.

Website: github.com/fougue/mayo
Support:
Developer: Fougue Ltd
License: BSD 2-Clause “Simplified” License

Mayo in action
Click image for full size

Mayo is written in C++. Learn C++ with our recommended free books and free tutorials.


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Read our verdict in the software roundup.


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