Sigil Bench isolated test rig

Print the result (2-3 inches wide works well), then scan it below. Capture tips: whole print in frame with a small margin, sharp focus, bright light.

Camera shoots now; Library picks an existing photo. Decodes automatically. Whole print in frame, sharp, bright.

Point at a scene with one or more printed marks. Blue = detector scan, green quad = decoded, red = found but unreadable.