BottleFish

This is a bottlefish made of a 0.5 litre softdrink bottle. It is a toy to play in the water. We believe that it is a good way the introduce the concept of hackability.

The bottom fins need a piece of threaded bar inserted to provide stability in the water.

There is a spring inlet modeled in the rear fin/fin folder to keep the fin straight.

Top/Left/Right/Bottom Fins need to be glued to the bottle.
The rear fin holder should be pushed on the bottle cap.

The parts from the bathtub b