Fins3

This is a modified version of Fins2: https://www.thingiverse.com/thing:3260667. It is slightly larger and has a slightly different overall shape. The main difference is that the fins, which actually have a cross-shaped cross section, are double twisted instead of simply vertical. This makes the part easier to print since the intersecting fins provide a more rigid structure.

This lamp is designed to hold any one of several LED lights called "puck" lights. You can get these powered by either ba