The recipe on the FTB wiki states 8 iridium ore, but maybe we have a different recipe?
Matter Fabricator - Feed The Beast Wiki
EVE Online characters:
Daedalus II ex-CEO TOGOA, Daedalus III slave of Daedalus II
Little Molok Asura Engineer
"Each day I don't get an attempt on my life by a robot from the future I see as a personal failure"