Patent ID: 8646367

Claim:
An apparatus comprising a trimmer block pad for forming a book, the trimmer block pad comprising: a first substantially square exterior corner connected by a first elongate exterior portion to a second substantially square exterior corner; a first non-square exterior corner directly connected by a second elongate exterior portion to the first substantially square exterior corner; and a second non-square exterior corner directly connected by a third elongate exterior portion to the second substantially square exterior corner; wherein the first non-square exterior corner and the second non-square exterior corner are configured to apply a distributed force to the book; wherein the first, second, and third elongate exterior portions are sized to define a trimmed portion of the book; wherein the first non-square exterior corner is directly connected by a first diagonal edge to a first corner of a recess of the trimmer block pad; wherein the second non-square exterior corner is directly connected by a second diagonal edge to a second corner of the recess of the trimmer block pad.