There not much to explain. This is a replacement handle for a mailbox. These seem to be standard and should work for most other mailboxes.

The handle on my mailbox broke at about the time I got my first roll of PETG so I figured it would be a good first project to try a new material. I downloaded a model someone else created. It fit the door, but was a little too small to catch on the top latch. I've been learning Fusion 360 and thought this would be an easy thing to try modeling myself.

I printed this in black PETG with no post-finishing. It fits the holes on the mailbox door well. I was able to reuse the clip on the inside to secure the latch. If someone needs the clip let me know and I'll give that a shot as well. There are other models for that on here, though.