Calibrating..

These are sheets of paper that I have been using to draw test-patterns to calibrate the precision and speed of a custom built drawing machine. Once they were considered trash, now a portrait of the first steps of working with the machine.

calibrating #1
rotring tikky 0.7
594x841mm/23.4x33.1in

calibrating #2
rotring tikky 0.7
594x841mm/23.4x33.1in

calibrating #3 (camm1)
rotring archival ink
594x841mm/23.4x33.1in

calibrating #4 (dpx3300)
black felt tip pen
594x841mm/23.4x33.1in

calibrating #5
black ink and ballpoint pen
594x841mm/23.4x33.1in

calibrating #6
black ink
594x841mm/23.4x33.1in

closeup calibration #1

closeup calibration #2

closeup calibration #4 (dpx3300)

closeup calibration #3 (camm1)