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

• Support of multi-documents, user can open many files in the session
• Support of STEP/IGES assemblies(product structure and colors)
• Area and volume properties for meshes and shapes
• Editable name of STEP/IGES entities
• Editable 3D properties of the imported items, eg. material, color, display mode, ...
• 3D clip planes with configurable capping
• 3D view cube providing intuitive camera manipulation
• Perspective/orthographic 3D view projection
• Save image(snapshot) of the current 3D view
• Quick access to the CAD files recently open thanks to thumbnails in the Home page
• Toggle visibility of any item from the Model tree(use checkbox)

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

Gallery

How to build Mayo

Mayo requires Qt5 and OpenCascade ≥ 7.3.0
* Qt installer * OpenCascade Download Center

See detailed build instructions