Apps similar to Ritn3D include FreeCAD, which is free and open source. Other options are SketchUp, Autodesk Inventor, Ashampoo 3D CAD Professional and Sketcher 3D. In total there are five 3D Modelers like Ritn3D for Windows, Mac, Linux, the web and Android.
A powerful open-source parametric 3D modeler ideal for mechanical engineering, supporting Python scripting, running on Windows, Linux, and Mac, with modular architecture allowing extensive adaptability and use with scientific computing libraries.
Germany
EU
Comprehensive 3D modeling software ideal for architecture, engineering, film, and gaming. It includes features like easy-to-use interface, sun and shadow analysis, color experimenting, and mock-up creation. Available in freeware and professional versions for diverse needs.
United States
Software for 3D mechanical design, simulation, and visualization. Provides parametric, direct, and freeform design options, along with integrated simulation, CAM tools, and advanced rendering up to 16K resolution. Features include section views and customizable rendering environments.
United States
Comprehensive CAD tool for home planning offering advanced features like wall editing, floor and building replication, precise numerical input tools, custom components, and a vast 3D object catalog, enabling efficient design and minimal project limitations.
GermanyEU
Sketcher3D is a 3D modeling, design, and fun physics sandbox. Create and manipulate 3D objects, plan out a space, or just build things up and smash them down!
