Canvas’ basic folio design is a very familiar one, having been awarded our Case of the Year Award in the past. It combines a hard plastic shell and a canvas cover, which wraps all the way around as a lid and onto the back, forming a book-style protector for the iPad. We were excited to see button coverage added into the equation with the iPad mini edition of the case, but baffled to see it disappear this time around. The hard plastic shell is still…