The best heatsinks for DIY light builds can be purchased from https://www.tnutz.com/product/ex-1050/ for builds of 1400ma or lower.
For builds with 1400ma or higher driver current we suggest https://www.tnutz.com/product/ex-1010-d/
All you need to do is input a length….nothing else is needed to be put in or chosen when ordering. Just simply the length. Do not over think it.
Both can be bought in silver or black. The color does not affect performance.
These can be easily mounted to a spine piece of extrusion with the match corner brackets and hardware. https://www.tnutz.com/product/cb-010-b/
Tnutz Tri-Slotted 10 Series Extrusion has a perfect 1″ wide flat side to mount the Photo Boost Strip to with thermal tape.
Tnutz tri slotted profile is cheaper, easier to work with, and performs better than previous PLC heatsinks.