Barrel
grabcad
The provided text refers to a "barrel model" which presumably involves some form of 3D modeling, and includes a related "drawing file". This indicates that the model can be accessed through this accompanying file for further examination or editing.
Download Model from grabcad
With this file you will be able to print Barrel 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 Barrel.