Quote Originally Posted by DreadedHermie
This is the stuff I wanted to mount my components on. I don't look forward to drilling it, though. The cake pan is looking better and better.[attachment=o213335]
That's Aluminum.
Piece of cake to drill and tap.

Keep in mind, the current regulator/power supply does not have to share the 'sink with the leds if you use "fat" wire to feed the array.
I try to keep as much heat as I can outside the G.R..
Weezard Reviewed by Weezard on . Calling out to Weezard for LED advice My friend, I've read your stuff here and at Steve F.'s site. I want to build a dedicated flowering lamp using Ledengin 15 watters. (4 reds, 1 blue, and possibly 1 warm white; LM 317's so I can tweak the ratios.) Essentially, a copy of your 4+1 cake pan lamp but built on a 4 x 18" finned heatsink so I can see what's going on under it.) If I were to post my picks for power supply, resistor ratings / values, etc., would you critique and perhaps offer some guidance? I have already purchased Rating: 5