Door support (anti-sag) for 3D printer enclosure

I built schlem's 3D printer enclosure (having long since been banished to the most remote corner of my garage by she-who... you know...).

I found that the door sagged by about 3/4 inch, so I created this simple support bracket. I glued it onto the outside of the door using cyanoacrylate (superglue). As with all my cyanoacrylate on acrylic, I needed to clamp it while drying (using spring clamps).

Some of the acrylic I used was 0.100 inch instead of the 0.080 inch thickness, and this may hav