Honda Civic EK (6th generation) center AC ventsDesigned from an original AC vent as closest to OEM measurement and detailsCenter left side vent is the mirror side of the center right side ventWill need some glue or plastic welding in order to fully assemble all the componentsOnce every component is assembled, the vent will function as the OEM vent and will directly fit to the trim piece.The best orientation for 3D printing is shown in one of the attached images.
A complete 1 vent includes parts as follows
Vent frame - 1Tab - 1Tab back - 1Retainer - 1Retainer mirror - 1Front tab fin - 1Front link - 1Front fin - 3Back middle fin - 1Back link - 1Back fin - 1