The file 'Cat Tag Blank 3D Printer Model' is (3dm,stl) file type, size is 60.8KB.
Cat Tag Blank 2 Size
Small = 27.60mm x 41.00mm x 2.40mm
Big = 49.20mm x 79.40mm x 2.40mm
import to modeling software.add text etc.save or export to stl.
