NineBot ES4 Bottom Cover
thingiverse
Lost cover used Manticus' design of what it probably looked like, added a lip and extended the cover with taper to fit under that hunk of plastic towards the front.
Download Model from thingiverse
With this file you will be able to print NineBot ES4 Bottom Cover 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 NineBot ES4 Bottom Cover.