A little more reflection.
Intuitively I think I leveled the frets properly. I let the bar do the work and simply guided. By sheer dumb luck, I leveled along with the strings per the image above.
One aspect I didn't do well was crowning. After leveling I remarked the frets, however, I wasn't sure exactly how much material to take off during crowning. I went too far, which is why I removed so much material.
What I did, was I crowned the frets until all the marker was removed. What I should have done, and will do next time, is crown the frets until only a thin line remained. During the final sanding process, the frets would've been properly rounded off and as little material as possible would have been removed.
Another learning is to constantly check your work. Several times during leveling I should've stopped and used the fret rocker to check progress than simply trusting the ink. Throughout the crowning process, I should have rocked the frets. During the polishing process, I should've rocked the frets. Basically, the slower and more detailed you can be, the better the results will be.
Starting to plan my next job already
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