I bought some art that was very large and couldn't find a frame for it at a reasonable price, so I decided to 3D print some brackets to attach it to my wall instead. The brackets are a pretty simple construction, the bottom one which is longer and holds all the weight has a single screw hole and attaches to a drywall anchor with a screw. The top one is shorter and just gets slapped onto the wall with 3M tape. There's basically no weight on it as i just keeps the painting from falling forward.
Because the brackets are so small, and because I color matched them to the painting pretty well it creates a cool floating painting effect that I think I actually like a lot better than having a frame.
So instead of buying a $150 custom frame I spent $0.20 in plastic and another $0.30 on a screw, drywall anchor, and washer. 3D printing is so cool.
My dad likes to make fun of me (and millennials in general) because I don't make anything with my hands (not that he ever taught me since he doesn't know how to make anything with his hands either, his DIY skills are somehow even worse than mine), but I just have a robot to do it for me.