Minimal corner cover for aquarium sponge filters

A minimalist solution to my sponge filter bubbles.  The cover can prevent these annoying bubbles jumping out of my tank yet keeping most of my tank open. You can use it for all kind of situation where a corner cover is needed. This model fits my 10 gallon rimmed tank with 8 mm side. Scale up or down as you like to fit your tank.  

Prefer to print with PETG for durability but PLA also works.