Here are some: Testing a custom made 16mm Nichia 119 copper core board (non-DTP), edit:sold out
But you need to scratch the pads a little bigger.
He used it in his test: Nichia 144A series, an output test of a 6500K 70 CRI sample. Nov 7th: added a test of a 5700K R9050 version of the 144A