In the spirit of the ESSO Design Challenge and since I am an avids cyclist I chose to focus on a way to reused the 250ml can in cycling.  This design is for a storage kit that can be used to bring along the tools and other items you lik to have when you are on a daily ride.

This design uses four 3D printed parts, a cap, a can strap, and a two piece seatpost clamp.  I also wanted to stick to using other items tha we may have around the house, so I used a couple of rubber bands like an o-ring to keep the cap in place, I reused a couple of o-rings to strap the can to the seat clamp and I recycled an old inner tube to give the seat clamp more grip on the post.

This design allows for easy removal of the can so you can have the items easily accessible.  This design also would allow for use on larger cans such as a 12oz which would allow for more items to be included and also allow for customing to your size seatpost.