sheet_width: 8.5in
sheet_height: 11in
card_width: 2in
card_height: 3in
position_reference: :center
cards:
- x: 1.25in
  y: 2.5in
- x: 3.25in
  y: 2.5in
- x: 5.25in
  y: 2.5in
- x: 7.25in
  y: 2.5in
- x: 1.25in
  y: 5.5in
- x: 3.25in
  y: 5.5in
- x: 5.25in
  y: 5.5in
- x: 7.25in
  y: 5.5in