Ventilation trim panel
thingiverse
Here's set of trim panels between over head cabinet and the fridge. You can select suitable panels (20cm) according the hinge location needed. Glue pieces together with cyanoacrylate. There's also feet with the different height to get tight fit. Print flat side down, no support needed.
Download Model from thingiverse
With this file you will be able to print Ventilation trim panel 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 Ventilation trim panel.