4" x 3" downspout adapter
thingiverse
his is an adapter to use the OP's (Love2HelpU) Gutter Downspout Rain Diverter with 4x3 downspout tubes. https://www.thingiverse.com/thing:5025632
Download Model from thingiverse
With this file you will be able to print 4" x 3" downspout adapter 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 4" x 3" downspout adapter.