You can download Google Sketch Up from the link below. It is a free application that works on most platforms. It is already installed in the labs.

http://sketchup.google.com/intl/en/index.html

Click the link below and complete the tutorials. They really help! You will struggle with the program if you skip them. Next, complete assignment 1 & 2. Once you have completed the assignments, make a sketchup of your own. Remember to save.

http://tigerteched.pbworks.com/w/page/22251221/Google%20Sketchup