Corner protector - Remade
thingiverse
If you also is in need for the "corner protector for children" but with the above wall so that it can actually be 3d printed, here you go.
Download Model from thingiverse
With this file you will be able to print Corner protector - Remade 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 Corner protector - Remade.