The file 'Crocodile (NT Animals) 3D Printer Model' is (stl) file type, size is 4.6MB.
From Nikoss'Toys8th of the series Nikoss'Animals : "Nikoss'Crocodile"(Version for FDM)
https://www.kickstarter.com/projects/polymaker/polysmooth-and-polysher-3d-prints-without-layers/description