As files have changed and such over the years, things got moved or retitled.
However- a little judicious searching found
https://www.swaylocks.com/forums/perfect-razor-edge-hand-planes-1-5
https://www.swaylocks.com/forums/perfect-razor-edge-hand-planes-2-5
https://www.swaylocks.com/forums/perfect-razor-edge-hand-planes-3-5
https://www.swaylocks.com/forums/perfect-razor-edge-hand-planes-4-5
https://www.swaylocks.com/forums/perfect-razor-edge-hand-planes-5-5
I will note that the graphics originally included have vanished. As well, a read through https://www.swaylocks.com/groups/new-sharpening-block-planes-razor-sharp will look like an evolutionary tree of Sways file structures over the years.
Other variants at https://en.wikipedia.org/wiki/Scary_sharp and the links/references from that page
Having done all that, I still prefer my water stones. De gustibus non disputatem.
hope that’s of use
doc…