They make tools specifically for that. This is an 1/8" Diamond Point Stipple Tool and costs about $20. I'm assuming you could do much the same thing with different sized center punches. Practice on a scrap piece to get the hang of it and the outcome you're looking for. Good luck.
Forged on the anvil of discipline.
The Few. The Proud.
This country has become more about sub-groups than about it's unity as a nation.
"The #72 pattern has got to be pretty close to the perfect knife."
--T.J. Murphy 2012