3D Visualization game

http://www.uff.br/cdme/tomografia/tomografia-html/tomografia-en.html

This is a little game that might be a good intro to a lesson on 3D visualization for kids.

Mandelbulb – Some great 3D fractals

http://www.skytopia.com/project/fractal/mandelbulb.html

This page has some awesome 3D fractals. Some videos too.

An explanation of how they are created is given on http://www.skytopia.com/project/fractal/2mandelbulb.html

Great Example of Augmented Reality

http://www.fandome.com/video/107610/The-Mystery-of-the-Yellow-Line/

A subset of virtual reality is augmented reality. In augmented reality, computer generated graphics overlay images of the real world.

Here is a video explaining how the first-down line on football broadcasts actually works. This is probably the example of augmented reality that most people are familiar with.

Mystica – fractal art

http://www.dawntec.com/mystica/

Create fantastic fractal-like masterpieces with just a few mouse clicks!
Mystica creates unique art for exceptional graphical needs.

CadStd Lite – free CAD tool

http://www.cadstd.com/lite.php

CadStd is a general purpose, easy to learn CAD/drafting program for creating professional quality mechanical designs, house plans, blueprints, schematics and charts utilizing ANSI drawing standards. The Lite version is free and can read any drawing created by the Pro version. CadStd Lite can export files as DXF so you can share your drawings to your friends with other CAD programs like Autocad. The Pro version can create isometric projections from orthographic views, and has powerful commands like offset, trim, fillet and chamfer. Export drawings in formats like DXF, SVG, HPGL/1 or use copy clipboard to paste images into Office and other applications. Import DXF, HPGL/1 and Gedcom files.

QCad – free CAD tool

http://www.ribbonsoft.com/qcad.html

QCad is an application for computer aided drafting in two dimensions (2d). With QCad you can create technical drawings such as plans for buildings, interiors, mechanical parts or schemas and diagrams. QCad works on Windows, Mac OS X and many Linux and Unix Systems

QCad was designed with modularity, extensibility and portability in mind. But what people notice most often about QCad is its intuitive user interface. QCad is a simple 2D CAD system for everyone. You don’t need any CAD experience to get started with QCad immediately.