Door "Ninja Lock" Redesign

I had kind of a weird problem with no obvious solution. My Air conditioning is somewhat unbalanced where one bedroom is far too cold and the adjoining main room is a significantly higher temperature. I have had to keep the door to this room closed as I have cats that get in this bedroom and cause problems and make a mess. So I wanted to somehow prop the door open so air can exchange but keeps the cats out until I rework the ducting somehow to fix this. Of course the first thing I do is go to Thingiverse and seek a solution and in short time I found the Ninja Lock! https://www.thingiverse.com/thing:1032595.

I printed that design and found some issues I didn't like with the print design/structural integrity and I wanted it longer. Also it scratched up my door frame pretty bad quickly. So I used the Ninja Lock as my source template and designed something very similar in Fusion360. I beefed the part up significantly, added fillets at all the sharp angle/weak spots, made it longe