E3D BigBox Model

In order to learn how to 3D design and model, I chose Tinkercad due to its ease of use and the availability of lessons and tutorials. These factors are important cause I needed something that I could use to educate our teachers and students without any head-banging frustration. One of my first designs in Tinkercad was this simple calibration tool for the BigBox 3D printer: http://www.thingiverse.com/thing:1344376

I wanted something that was more challenging to create and would look great. So,