Cow
thingiverse
I obtained a 3D cow model from 3dvia.com and made some alterations to it. If you're interested, you can download the original model using this link: http://www.3dvia.com/models/3C67DF320416283A/cow. Let me know if you need any help with printing.
Download Model from thingiverse
With this file you will be able to print Cow with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Cow.