IKEA IVAR Filament Pass-Through

For my 3D printer setup, I used the IKEA IVAR shelving system.I had the printer on one shelf and the filament spools on another shelf at the top. I don’t have any better pictures anymore, but I used that setup for about 5 years and it was never a problem.Cut a hole in an IVAR shelf.Print the parts.Fit the main parts into the hole.Slide the covers part into the main part. It should hold itself, but you can use glue for a permanent installation (I did).For the filament spool holder I used this one