I was inspired by “Twill Illusions with Two and Four Blocks” by Freya van Holst Pellekaan, p. 96 in Best of Weaver’s: Twill Thrills (2004).
Basic threading, tie-up, and treadling for 5-end satin blocks is in Handweaving.net #74464.
Warp color progression, right-to-left: 514 ends plus 2 FS:
1. 12 natural
2. 55 green
3. 10 natural
4. 75 red
5. 10 natural
6. 100 gold
7. 10 natural
8. 165 orange
9. 10 natural
10. 55 green
11. 12 natural
FS: 2 (1 on each side)