I would add just three things to accompany Curl’s excellent tutorial.
First, I have found that a small plastic cutting board with the “juice groove” (or whatever the channel around the edge is called) helps me to align the patch and keep it straight.
Just lay the tail of the patch across the groove, nice and straight, and then lay the bullet in the groove and roll it - staying in the groove. Works for me - ymmv.

Also, don’t get too hung up on perfection.
Experience will produce better results, of course, but looking at original Remington, Sharps, even special Farrow bullets shows that in period, they didn’t get too precise in their patching. Many of these old originals have overlaps and crooked patches. Must not have bothered them much. Very surprising really!

And last, it’s accepted that the patch should stop at the base of the bullet ogive.
I think that is true but I have used some with the patch way past the ogive base and they shot beautifully.
I can’t explain that but there it is... Like I said, don’t get too worried about the precision unless you are shooting long range.
Just get out there and try it!!!