original image 
accumulation 
rotation 
reflection 
reflection (version 2) 
unit element accumulation 
unit element glide 
linear freeform
Because I could not find an ink pad, I used black vine charcoal instead to produce my fingerprint. The texture of the charcoal resulted in an interesting extraneous visual noise, which I liked and decided to keep. It helped make some very interesting patterns as I further manipulated the image.