For the prototype, Medium-density fibreboard (MDF) was used. MDF allowed us to construct and modify the design easily and inexpensively.
![base](https://www.sjsurid.com/wp-content/uploads/2013/05/base-300x234.png)
For the final version, the base will be constructed out of aluminum. Here are some pictures of the base’s aluminum construction in progress.
![20130425_224038](https://www.sjsurid.com/wp-content/uploads/2013/05/20130425_224038-300x225.png)