The invention relates to a lamella block (100) for a calibration device (500) for the calibration of an extruded profile (550). The lamella block (100) comprises a lamella structure (110) having a plurality of lamellae (112a, 112b), which are spaced apart from one another by grooves (114a, 114b) and arranged in the longitudinal direction of the lamella block (100). The lamella structure (110) has two lamella sets (10a, 10b), wherein the lamellae (112a) of the first lamella set (110a) is arranged offset relative to the lamellae (112b) of the second lamella set (110b) in the longitudinal direction of the lamella block (100). The invention also relates to a method for producing said lamella block (100), as well as a calibration device (500) comprising a plurality of said lamella blocks (100). The invention further relates to a system for additively manufacturing said lamella block (100), a corresponding computer program and corresponding data set.
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