A useful stand/support for your mobilephone, that can amplifie your favorite songs making use of a 250ml aluminium can.
Here is the final version of the sound amplifier.
1-Print all the parts needed;
2-Drill 2 holes with a hole saw one on each top of the can with 40mm of diameter or just cut it with a x-act;
3-Draw a square with 100mmx770mm on the side of the can, and cut it gently,
4-Mount all the printed parts and enjoy your favorite musics.
Here is a link of a video with the sound amplifier working:
Hope you enjoy and let's give another life to your cans