% page sizes for letter with crop marks
\usepackage[
  letterpaper,
  layoutvoffset=1.25in,
  layouthoffset=1.5in,
  layoutwidth=5.5in,
  layoutheight=8.5in,
  vmargin=0.5in,
  outer=0.5in,
  inner=0.75in,
  includeheadfoot,
  twoside,
  showcrop
]{geometry}