Topology Optimized 3030 Bracket

This is a bracket to mount a 3030 Aluminum extrusion horizontally to a wall. I'm using mine as a towel rack but I could see it being useful for other projects like to mount shelving in your garage or for organization. I used Fusion 360 to run a topology optimization and create the structure. The bracket is designed to hold 15 lbs, but probably would hold 50 lbs, I may do a test in the future to see exactly how much. Here's a more detailed gallery of the process of designing it:

https://imgur.com/gallery/3zmhkdM

If you want to use it for 4040 Extrusions, scale up 133.33% and for 2020 scale down 66.67%

If you care more about strength, print it laying sideways. If you don't need as much strength and/or you want to print without support, print it vertically as seen in the picture.