The MAKE: BLOG points out several websites that allow a user to create graph paper utilizing PDF. The main entry highlighted free graph paper available from incompetech.com. The graph paper utility allows the user to set various criteria such as grid size, color of lines, borders, etc. Several readers of the MAKE: BLOG have added their favorite graph paper sites as well.
MAKE is a hybrid magazine/book from the computer book publisher O'Reilly. [About MAKE]