I chose the fish challenge from the MakerBot site. The only instructions were to create a fish so I decided to utilize tinkercad for this design. Tinkercad felt like the best software to use because of its simple ability to combine shapes the way I want. I also struggled a bit with other software so I chose something I was very confident with and that I knew I could achieve some detail. The fish is simple but cute. I utilized the scribble tool, cutouts, and grouping to make my fish.
Here is the fish challenge:
Here is my design: