https://palantepacks.com/products/simple-pack-kit
They have an instruction video linked there that pretty much is all you need
This lasted me 1000mi. It died because of the strain of having to carry the bear can. Halfway through I swapped it with a premade: https://palantepacks.com/products/v2
https://www.instructables.com/MYOG-Ultralight-Down-Sleeping-Bagquilt/
I put a comment at the bottom of that article detailing my own process
She heavily references this video so I just found it helpful to watch it first: https://www.youtube.com/watch?v=WGaHsvtfbFg
Process breakdown: https://jondrew.notion.site/Sleeping-Quilt-2d562fba182041f7a71abe55217e9069?pvs=4
https://dubberdesigns.com/downloads/kensho-2-tent/
We made this Kensho 2 person tent, but then modified the design to also create our own 1 person tent based off of the Lunar Solo
