3D Kit Builder (RANS Coyote II)
Build a complex 3D Model of a RANS Coyote II. All ages will have fun learning the basics of 3D modelling with this interactive 3D graphics program. It challenges you to build a complex 3D model with the option of 4 difficulty levels: No Brainer, Easy, Okay and Hard. ... You can unlock up to 9 different visual display effects when you complete the 3D model.
http://www.3dkitbuilder.com/rans/3DKitBuilder_RANSCoyoteIIDEMO.exe - 2Mb - Download - Screenshot

VizUp Professional
Models that you create with the help of 3D modeling tools, as well as models converted from CAD software can be extremely complex. These models may consist of many hundreds of thousands of polygons and be practically impossible to process in real-time visualization. ... The end result of the reduction is a 3D model with a well-balanced level of details and size, which is perfect for the use in virtual reality and real-time visualization systems. ... VizUp 2 is an ad hoc polygon reduction and optimization system that enables you to reduce the number of polygons in a complex 3D model and...
http://www.vizup.com/load/vizup.exe - 927Kb - Download - Screenshot

3D Shop ModelView
ModelView is an exact 3D model geometry viewer that even allows the manipulation of CAD data. This open viewer provides wide access to 3D models in the most popular file formats (dxf, Step, VRML, IGES,CATIA, UG, Pro/E, ACIS, PARASOLID) and data standards (brep, stl, wrl, stp). ... With 3D Shop VieweR, you can conveniently and easily change views, manipulate, combine, measure, and control 3D models. ... With ModelView, the ability to handle complex 3D models is provided without needing a full CAD program.
www.3dkernel.org/download/Install_Modelview_US.exe - 0b - Download - Screenshot

VizUp Standard
VizUp 2 is an ad hoc polygon reduction and optimization system that enables you to reduce the number of polygons in a complex 3D model and optimize its geometry. The end result of such compression is a model with a well-balanced level of details and size, which can be used in virtual reality and... Another good thing about VizUp is its unique ability to maintain the visual fidelity of the model even at high compression ratios. ... In compressing a model, VizUp deletes some vertices, but the coordinates of the remaining vertices do not change.
http://www.vizup.com/load/vizup.exe - 927Kb - Download - Screenshot

Stereogram Explorer
Stereogram Explorer is user-friendly design software for creating high-quality hidden 3D graphics, also known as Single Image Random Dot Stereograms (SIRDS) or Single Image Stereograms (SIS) known from the "Magic Eye" series. Stereogram Explorer uses advanced algorithms and can render... Main features: User-friendly interface Random dot stereograms (SIRDS) Pattern or textured stereograms (SIS) Support for many file types including GIFs, JPEGs, PICTs, and BMPs Import 3DS (3D Studio) models Export depthmaps from 3D scene Autocalculated depth coeficient for loaded 3D models ...
http://www.aolej.com/files/stereo2.zip - 1Mb - Download - Screenshot

3D Chemical Elements ScreenSaver
Have you ever imagined the smallest bricks of the Universe - all that atoms with their protons, neutrons, electrons and quarks? With 3D Chemical Elements Screensaver you have the unique opportunity to see how they look like in reality! It brings you actual 3D models of all that micro-stuff both... 3D Chemical Elements Screensaver is the smartest interactive Periodic Table and 3D Atom Modelling software in the world. ... You can either let the screensaver entertain you or can easily control it with your mouse and keyboard.
http://7art-screensavers.com/files/3DChemicalElementsInst.exe - 4Mb - Download - Screenshot

Reallusion Effect3D
Effect3D is a powerful editing tool that lets you create professional looking 3D objects, add animation, and use a wide range of 3D effects. Effect3D's Power Wizard does the work for you, so whether you're a novice or a Webmaster you'll be producing stunning artwork in minutes. ... The Effect3D package also includes a huge bonus archive of over 500 3D models organized into categories such as, Computer, Consumer Electronics, People, Signs & Symbols, Crafts, and Sport. ... Unlike conventional clipart libraries, all the objects in the 3D Magic Archive are specially designed for use in Web...
http://file.reallusion.com/effect3dinstall.exe - 9Mb - Download - Screenshot

3D DNA ScreenSaver
3D DNA Screesaver is a cool 3D screensaver that let's you look inside the cell. We've altered a bit the "correct scientific 3D DNA model representation" to give you better visual experience of this 3D Screensaver. During beta-testing stage most users told us that 3D DNA Screensaver is the most... And since 3D DNA is a shareware - you can always try it for free. ... Whether you are a scientist or a plumber, this 3D screensaver will make a great addition to your desktop. ... So grab your copy of this cool 3d screesaver right now or visit www.
http://www.deaddybear.com/files/3d_dna.exe - 1Mb - Download - Screenshot

3D Kit Builder (Motorbike)
Fun and Easy for all ages! Build and paint this "ready to assemble" high detail 3D Model Kit and learn why 3D is so creative and exciting!
http://www.3dkitbuilder.com/bike/3DKitBuilder_MotorbikeDEMO.exe - 3Mb - Download - Screenshot

3D Kit Builder (Williams FW28)
Fun for all ages! Build and paint this "ready to assemble" high detail 3D Model Kit and learn why 3D is so creative and exciting!
http://www.3dkitbuilder.com/fw28/3DKitBuilder_WilliamsFW28.exe - 3Mb - Download - Screenshot