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I think you will need to draw a cone as mentioned
The smile only needs to be a few millimetres of curve not to extreme to be effective
Drawing it is easy, you should try grinding a 3" long curved...

All shapes and grinds aside
The most noticeable factors I find are the dimensions of blade ( 3"+/- 1/4" )
and thumb area (1& 1/2") heal to pivot
Also agree on O1 as the steel and suggest you...