I had an old lamp that didn't worked, so i decided to remake it and add an option to choose between warm and cold white color.

Step 1: prepare place for metal

Step 2: cut the metal

Step 3: prepare leds

cut warm and cold white led strips to the length of the metal, in my case it was 24,5 cm.

Step 4:

Step 5: connect all warm white leds strip from one side and cold white led strip from another

Step 6: it's time to dimmers

Step 7: electronics

i used this kind of dimmers:

Step 8: adding tripod mount

Result:

Result with self made case: