Kayak Nav / safety light

I need 360° white light to meet navigation requirements for my morning kayak trips. I work this up in Autodesk Fusion 360. Did several rough prints using an Ultamaker 2+, With the final copy being printed with a formmaker resin printer.

The LED is a T10 base 12 V automotive light purchased on eBay for a couple of dollars. I also purchased a T 10 socket on eBay again for a couple dollars. I took apart a 9 V battery to get the terminals solder them to the socket, and used JB Weld to fasten it t