A4 print
Known-size targets
Print at 100% / Actual size. Every ring, the black bull, the corner squares, and the scale bar are real millimetres — that is what you tap for calibration.
Printer settings
- Paper: A4
- Scale: 100% or Actual size — never “Fit to page”
- Turn off headers and footers
- After printing, check the 100 mm bar with a ruler
15×15 mm
15×15 mm
15×15 mm
15×15 mm
GROUPOFF CARD
Ø 50 mm BULL (1.97 in)
PRINT AT 100% / ACTUAL SIZE · DO NOT FIT TO PAGE
120 mm100 mm80 mm65 mm50 mm35 mm20 mm10 mm
VERIFY AFTER PRINTING — THIS BAR MUST MEASURE 100 mm
050100 mm
Calibrate on the black bull Ø 50 mm, a 15 mm corner square, or the 100 mm bar. Suggested distance: 25 yd / 25 m.