pipe (or tank) from cans

Convert cans in a pipe..or tank

Step 1 Collect cans

Collect cans.
All of the same diameter

the "old" and "fat" aluminium( Like the Pepsi in the pictures), as the new tall and slim steel cans( like CocaCola) and also the llittle Red Bull aluminium cans...

I noticed that the "slim" ones works a little better...( with the cans in the pictures I had a little "instability" imperfection while with the other kinds I had them perfectly sealed...)

I had only 2 cans