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Homework??? But it is not on the internet.. oh wait it is.
Can you imagine if this question was risen 10 years ago.. all that going to the library and reading books, ughhh.

Seems you have all figured out, so good luck in your endeavor.

It is not, as I said above the razor is made kasumi, the sword (if real) is made similar to honyaki method.

Lol I do have some tools. Linisher/mulitool grinder, Razor edge paper wheel system, and I remembered today that I have an old water cooled grinding wheel made by my Dad! This is the thing I would...

Once a razor is honed it can be touched up on a finishing hone/pastes when needed so it will not wear out in a life time. As far as the razor getting flat from honing, this is another thing you...

Not quite, the two sides of Kamisori are hollow but the radii are different. As stated above get one study and you will understand. You can't get an idea just by talking about it, western straight is...

Kamisori may look flat but they are not, just like some heavy wedges look flat but are not, believe me I have seen many of them.
No kamisori is flat on either side.

The second pic razor you say...

Kamisori is convex on both sides, if you have seen a flat one , then it was made wrong.

As far as thicknesses it will depend on the size, you have to maintain that 14-20 * angle of the bevels.
To...