Made in Blender 3D via Bezier Curves. Model is ready for 3D printing. On the photos you can see printing information on my Anet A8, nose diametr-0.4mm, print speed 60 mm/s, infill speed 100 mm/s. Infill density 100 %. Each cat is 6.5x6.5 centimeters and 0.5 mm height, but you can adjust all this parameters in your slicer.