A can of ColorTouch Spray Enamel is being used with a stencil and ruler.
Spray enamel is used to paint a grid.
The picture of the right shows a tin and talks about spray paint.
A green plastic ruler on the left and a can of Spray Enamel branded paint on the right.
A green ruler that measures in inches and centimeters on the left and a spray enamel branded can of paint on the right.