When ISU was hitting the three, they took a 37-30 halftime lead. When they quit hitting the three, they lost the second half 20-37. Twenty points in a half will lose a lot of games.
Even when OSU hits, their shots look off balance and ugly. I think they hit one three, and almost nothing beyond ten to fifteen feet. But, they did hustle more, and they forced ISU out of their comfort zone.