mayo 0.9

Mayo the opensource 3D CAD viewer and converter. Overview Convert 3D files Mayo can read/write 3D files from/to STEP, IGES, STL and many other CAD formats Visualize 3D files Mayo 3D viewer supports clip planes, exploding of assemblies, measurement of shapes, show/hide parts, ... Cross platform Mayo runs on Windows, Linux and macOS Solid foundations Mayo is developed in modern C++ with Qt and OpenCascade Features 3D clip planes with configurable capping

Dune 3D 1.2.0

Dune 3D is a parametric 3D CAD application. With Dune 3D you can: ketch and constrain in 2D and Add chamfers and fillets Import STEP models for referencing them Export high-quality STEP and STL files

OpenCascade 7.7,1 💾

A typical application developed using OCCT deals with two or three-dimensional (2D or 3D) geometric modeling in general-purpose or specialized Computer Aided Design (CAD) systems, manufacturing or analysis applications, simulation applications, or even illustration tools.library designed for rapid production of sophisticated domain-specific CAD/CAM/CAE applications

minor feature: https://dev.opencascade.org/content/open-cascade-technology-771-maintenance-release

GNU LGPLv3 c++ cad cam visualization