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List of free 3D modelling CAD programs.
3DCrafter (3D Canvas) is a real-time 3D modeling and animation tool that incorporates an intuitive drag-and-drop approach to 3D modeling. Complex models can be constructed from simple 3D primitives, or created using 3DCrafter’s Shape Building Tools. Modeling tools are provided to deform, sculpt, and paint 3D shapes. The standard version of 3DCrafter is a fully functional product provided as freeware.
Blender is 3D creation for everyone, free to use for any purpose.
With Blender you create anything - whether it's graphics, movies, scripts, exported 3d files or the .blend files themselves - is your sole property, and can be licensed or sold under any conditions you prefer.
BRL-CAD is a powerful cross-platform Open Source combinatorial Constructive Solid Geometry (CSG) solid modeling system that includes interactive 3D solid geometry editing, high-performance ray-tracing support for rendering and geometric analysis, network-distributed framebuffer support, image and signal-processing tools, path-tracing and photon mapping support for realistic image synthesis, a system performance analysis benchmark suite, an embedded scripting interface, and libraries for robust high-performance geometric representation and analysis.
DesignWorkshop Lite software package provides all you need to build your own 3D models for home design and visualization of architecture, landscapes, exhibits, or any kind of spatial design. View and walk-through ready-made models of any size, like 3D building models in the great buildings online, in DXF or 3DMF format.
Freyja 3d is a modeler and animator focusing on low polygon game content with wide range of model import/export plugins. Freyja has some unique features such as Lua macros, tools for reverse engineering, and use of GLSL shaders while editing. Currently supported platforms: Linux, PS3Linux, Windows, and OS X
K-3D is free-as-in-freedom 3D modeling and animation software. It features a plugin-oriented procedural engine for all of its content, making K-3D a very versatile and powerful package. K-3D excels at polygonal modeling, and includes basic tools for NURBS, patches, curves and animation.
Varkon is a very powerful parametric 2D/3D CAD, modeling and application development tool for engineering, design, architecture, etc. It does 2D drafting, 2D and 3D modeling, sculptured surface modeling, and even animations.
Wings 3D offers a wide range of modeling tools, a customizable interface, support for lights and materials, and a built-in AutoUV mapping facility.
Wings 3D is open source and completely free for use in both personal and commercial projects.