the Catterpilar aka the grub
pinshape
Either in millimeters or inches I'm pretty sure Grub is the zip file.
Download Model from pinshape
With this file you will be able to print the Catterpilar aka the grub 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 the Catterpilar aka the grub.