the great wall
thingiverse
Didn't like other stl files on the great wall so created my own. no supports needed, may have to redo cura settings.
Download Model from thingiverse
With this file you will be able to print the great wall 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 great wall.