Variations on a theme

I've been playing around with some variations...partly to evolve the design, and partly experimenting with better thermal management. Several people have mentioned they would like something more complex and ornate. So, I'm starting to work with some different options. Of course more machining take more time...and costs more money. I can afford to add some complexity but not a lot.

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At this stage I'm just trying things out...prototyping as we call it in the industry. A lot of people would sit down and "design" something on paper. In this case, I'm using aluminum as my "paper" because I tend to think better in three dimensions. I'd love any feedback or suggestions. Have an idea that you want to see me try out? Let me know and I'll do my best to make it happen!

This is a close up of the first light. These fins are purely functional. I'm trying to move more heat out of the LED by adding surface area that can radiate the heat away from the light. They are located at the thickest part of the head, close to the LED. I'm not totally happy with the look and I'm struggling to see any options here. Suggestions are welcome!