The filament type, brand, and color use the Nasalization font, and the layer height stairs Junegull, due to nasalization's decimal separator (.) being too small to be sliced at that size.
El autor ha hecho un remix de este modelo.
Remodeled the sample in Fusion 360 and gave it my spin, with a layer height stairs on the bottom, holes from 1 to 8 mm in the shape of the golden ratio on the top right, and labels for both the stairs, i.e., thickness in millimeters, and the sample's material, brand and color added in Prusa Slicer to the top left.