A sketch pad is bought on three numbers: the weight of the paper, the number of sheets, and the way the block is bound. Two of those decide what the pad...
wo oil paints with the same colour name and the same tube size can behave like different materials on the same canvas. One holds a ridge off the brush;...
Solid watercolor is sold in three shapes that buyers treat as one product and customers experience as three. A block, a cake and a loose powder behave...
