Eyebolt
grabcad
Just a standard eyebolt, butif you have Inventor the parametric dimensions could be changed to make this just about any size.
Download Model from grabcad
With this file you will be able to print Eyebolt 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 Eyebolt.