Quote Originally Posted by mainaman View Post
I balieve the number of folds is 16 which means 65000 and some change layers for katana. Recently one of the knife makers over at the Knife forums did 1 million layers, pretty cool stuff.
The way he did that billet was to single weld 25 layers and then 7 welds where he cut and stacked by four pieces at a time. It was only eight welds and over a million layers. Starting with a higher layer count makes things go a lot faster. I would have like to see pictures of that billet after it was ground down into to form a bevel. I think it's interesting to see how much the 15N20 takes over the appearance.