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Plankeye (also spelled PlankEye and Plank Eye)1 was an American Christian rock band that formed in 1991 in Orange County, California. The band's name is derived from Matthew 7:3 in the New Testament:
"Why do you look at the speck of sawdust in your brother’s eye and pay no attention to the plank in your own eye?"
The text "Matthew 7:3" appears on the front cover and in the booklet of the original 1993 release of Plankeye's debut album, Spill, in reference to the biblical passage.
General info from Wikipedia.org