AutoProject for AutoCAD
AutoProject for AutoCAD is a plug-in for AutoCAD 2000, 2000i, 2002 and 2004. This plug-in gives AutoCAD the ability to project 3D entities to 2D entities in the XY plane in the AutoCAD model space. A common but inefficient method of creating workshop ready drawings is to create the top view, the... All you have to do is create a 3D drawing of the model you wish to describe and AutoProject for AutoCAD will take care of the rest. ... Then these 3 or 4 views are placed relative to each other to give the end user a complete idea of what the 3D model is all about.
http://www.fpsols.com/installers/AutoProject.exe - 391Kb - Download

GentleDraw
GentleDraw is a program for creation of 3D models from black-and-white images using vector conversion. You can move and rotate 3D models just by dragging them, changes are shown on the screen in real time. You can easily adjust color, texture, borders and animation settings. ... The program includes 3D models borders editor and animation routes trace editor. ... GentleDraw is a quick and easy way to produce high-quality animated GIF files. ... GentleDraw can save animations as animated GIF files.
http://www.gentlegames.com/download/gentledraw_setup.exe - 1Mb - Download - Screenshot

Pictomod3d
Pictomod3D creates textured 3D mesh models from images of real objects. It takes either a rotated scan of an object or a few images from arbitrary angles, and outputs 3D objects in Wavefront OBJ or DirectX X file format. Pictomod3D is for rapid prototyping of new models and for people who want... Increase the number of 3D models you can fabricate. ... Save the textured 3D mesh in either OBJ or X file format. ... Rapid prototyping for Ready To Use Texture Mapped Models. ... Select background mask, paint in any additional masks.
http://styxar.com/Files/Pictomod3D.zip - 955Kb - Download - Screenshot

VizUp Enterprise
VizUp Enterprise is designed for optimization of complex 3D models (CAD/CAM/CAE systems and others) for real-time visualization. It is a 3D reduction and optimization tool that speeds rendering and provides enhanced control over a 3D model's visual quality. ... You get a low-poly model that retains the visual fidelity of a high-poly model. ... This significantly reduces 3D file size and download time. ... This unique technology is allowing companies to utilize existing CAD-data for 3D product presentations or for virtual training scenarios.
http://www.vizup.com/load/vizup.exe - 927Kb - Download - Screenshot

Astro Earth 3D Screensaver
After you download this screensaver you won't ever have to buy a worldwide travel! It's on your screen! Realistic 3D Earth model will rotate on your desktop.
http://www.astrogemini.com/files/freeearth3d.exe - 526Kb - Download - Screenshot

Free Earth 3D ScreenSaver
After you download this screensaver you won't ever have to buy a worldwide travel! It's on your screen! Realistic 3D Earth model will rotate on your desktop.
http://www.3d-screensaver-downloads.com/files/earth3d.exe - 515Kb - Download - Screenshot

sgCore
SgCore is a powerful geometric modeling engine designed for programmers and engineers who deal with 3D modeling. A user-friendly interface, an abundance of functions to create the most complicated objects and manipulate them, the small size of the library itself, full documentation and 24-hour... Now programmers can include features of any 3D editor and CAD system into their programs and dynamically model even the most complicated objects. ... SgCore with its numerous functions for 3D and 2D modeling and robust algorithms for creating and editing most elaborate objects provides everything...
http://www.geometros.com/download/library.zip - 310Kb - Download - Screenshot

3D BioMolecula Pack
This program is an unique combination of two other programs - screensaver and desktop wallpaper generator. Wallpaper generator creates custom Desktop Wallpapers for your PC every time when Windows starts. Real 3D models of biological molecules in random position are shown on wallpaper image. ... The screensaver shows the same 3D models of biological molecules in dynamics. ... Note: only 2 models are available in unregistered version - DNA in B-conformation and Hemoglobine, other models available only in the registered version.
http://www.terminalstudio.com/files/3DBioPackInst.exe - 598Kb - Download - Screenshot

Space Exploration 3D Screensaver
The rings of Saturn have puzzled astronomers ever since they were discovered by Galileo in 1610, during the first telescopic observations of the night sky. Have you ever dreamed of getting a chance to see them with your own eyes? This screensaver is an outstanding 3D model of the Solar System. ... It's not only the sheer beauty but also the educational content that make Space Exploration 3D Screensaver an absolute must-have. ... You get to float through some of the best known constellations like the Big Dipper and get a great view of the Milky Way.
http://www.digimindsoft.com/spaceexpl3d.exe - 6Mb - Download - Screenshot

Solar System 3D Screensaver
The rings of Saturn have puzzled astronomers ever since they were discovered by Galileo in 1610, during the first telescopic observations of the night sky. Have you ever dreamed of getting a chance to see them with your own eyes? This screensaver is an outstanding 3D model of the solar system. ... It's not only the sheer beauty but also the educational content that make Solar System 3D Screensaver an absolute must-have. ... You get to float through some of the best known constellations like the Big Dipper and get a great view of the Milky Way.
http://www.soft2d.com/graphics_&_m...creensavers/files/solarsystem.exe - 6Mb - Download - Screenshot