Wow, that looks perfect to me.
George
Yes the process is solid now! It took a lot of practice but it all came together. It is hard to believe that only a couple of mm make all the difference in the world.
So I will practice this and the next post should be a real nice point.
If anyone wants to try this remember the following;
Prefect preform~no steps no shallow spots and must be always lens shaped before you start flake pattern.
Decide on a flake pattern that is close and leaves no deltas and is convex.
The final pass is not for fixing problems at all.
TAKE YOUR TIME you cant be in a hurry because it take about 2 hours to come close to doing it right.
On a scale of 1to10 with 10 being the most skilled I believe right now I am about a 2
Here are the following reasons
1. Platforms have low spots that make the pattern thin in areas
2. High spots in the center of the preform causes you to place the ishi high on platform so many flakes had to be thick to over shoot the center. This causes deeper flake scars and make side B platform to low.
3. I have not worked out how the up and down placement effects flake detachment. My guess is that the pattern will be somewhat nicer because less force equals more control. Also the flake can bend with the contour of the stone.