Originally Posted by
Trimmy72
Is the grind a wedge? I could be talking out my arse but your actual edge looks straight. So I'm thinking the spine is the issue or the tape you applied might have caused the problem, not being applied evenly on each side.
Maybe go back and use 2 layers of electrical tape evenly applied, a marker and check your progress frequently. I can't imagine it will be pretty when it's done but maybe you could get a usable edge but still have that huge bevel. Just trying to help so be gentle guys...