brick
thingiverse
They could construct a barrier using that material and attach it securely with a hot glue gun, taking approximately nineteen hours to complete the printing process.
Download Model from thingiverse
With this file you will be able to print brick 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 brick.