Instructions for downloading and reviewing 3D documents:

Model Viewer Program - These allow you to view the 3D file on your own device.

Williamson Preliminary 3D File Link

Links to program download are on the page linked above, but also here below should you need to access them.

iPhone, iPad - App Store Download

Google Device - Google Play Download

 

More instructions are located on this download page.

More instructions on using the program are here: Youtube Link