How to flatten the aluminium sheet

After it is opened, the mantle of the can retains the cylindrical shape it was given during its production. In order to use the sheet for creative purposes, it must be flattened first.

 

The easiest way to flatten the sheet is to draw it strongly along the edge of the work surface provided in the pack or along the edge of a table a few times with its outer side facing down, then cutting its edge straight with a pair of scissors.