Structure Synth has been discontinued. Similar apps include Blender, which is free and open source. Other options are Autodesk Maya, Autodesk 3ds Max, Bforartists and Cinema 4D. There's no shortage of 3D Modelers like Structure Synth, with more than 50 alternatives for Windows, Mac, Linux, the web and iPad.
DeleD is a 3D modeler and level-editor combined into one. It focuses at game development and is specifically designed to create static objects/worlds. Other areas in which you can put DeleD to good use are, for example, educational services, webdesign, prototyping and image...
Netherlands
EU
Lumion is a real-time 3D visualization tool for making movies and still shots of architecture, planning and design. It is also possible to give live demonstrations.
NetherlandsEU
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.
Enscape is a real-time visualization and virtual reality tool for architecture, engineering, and construction (AEC) professionals. It integrates design and visualization workflows across all project phases, making it the easiest and fastest way to turn models into immersive 3D...
GermanyEU
Context Free is a program that generates images from written instructions called a grammar. The program follows the instructions in a few seconds to create images that can contain millions of shapes.
Fragmentarium is an open source, cross-platform IDE for exploring pixel based graphics on the GPU.
DenmarkEU
Gmsh is a 3D finite element grid generator with a build-in CAD engine and post-processor. Its design goal is to provide a fast, light and user-friendly meshing tool with parametric input and advanced visualization capabilities.
ZModeler (or Zanoza Modeler) is a 3D modeling application. It is aimed at modelers who model for computer games such as 18 Wheels of Steel, Grand Theft Auto, Need for Speed, Midtown Madness or similar video games.
Ukraine
3DTin is a browser based 3D modelling tool.
It gives you a simple user interface to create 3D models, and runs in any HTML5 browser (Firefox, Google Chrome, Safar, IE9), no matter which operating system you use. It is absolutely FREE to use and requires no experience in 3D desig.
Hexagon delivers all the tools a graphic artist needs to create complete, detailed, textured 3D models ready to be rendered.
United States
Metasequoia is a polygon modeler for 3DCG and game development. It provides you efficient modeling works. It is very easy to use and learn, and even a beginner of 3DCG will be able to manage it one day.
Japan
Fugu is a procedural modelling system for 3D graphics. It supports the generation, manipulation and animation of 3D form using scripts written in the Lua programming language. Fugu contains a code editor with all the usual bells and whistles, and a 3D view in which to visualise...
