Reposting here because these are some direct DL links for most of the Cucuruz Doan's Island books from 2022 to 2023.

Artbooks of this series if anyone is interested as its worth chatting about this film, if not in conjunction with the new one (alt history/AUs even)

Promotional posters:
https://e-hentai.org/g/2286972/5f4a3d3fc0/

Mobile Suit Gundam: Cucuruz Doan's Island Deluxe Edition (direct DLs):

Internet Archive-https://archive.org/details/cucuruz-doans-island-delux-edition_202207
MEGA Archive - https://mega.nz/folder/vhd2GS5b#3x9zlyiqnD8zBJzUa01V2A

Cucuruz Doan's Island Settei from Animage (this is the only place where these have been published, Tsukasa Kotobuki won't/hasn't considered publishing them elsewhere even among the UCE settei):

Internet Archive-https://archive.org/details/cucuruz-doans-island-settei
MEGA Archive - https://mega.nz/folder/fx9nXB4D#R61pTxF6_bOpgwkAFhtDYQ

Mobile Suit Gundam: Cucuruz Doan's Island Creator's Book (Direct DLs/torrents):

https://e-hentai.org/g/2343993/a25457ccbb/
Internet Archive backup - https://archive.org/details/mobile-suit-gundam-cucuruz-doans-island-creators-book
MEGA Archive - https://mega.nz/folder/a8slTS7a#y46QO6tnxuE5e1aVcMhadQ

Mobile Suit Gundam: Cucuruz Doan's Island 2022 Watercolor Illustrations (series goods by Yasuhiko, there are others out there, but I missed those.)

Archive: https://archive.org/details/cucuruz-doans-island-watercolor-illustrations
MEGA: https://mega.nz/folder/3pdklJLY#uNfLGpzKOA0Ob9vzUsDvqg

Mobile Suit Gundam: Cucuruz Doan's Island CG Making

MEGA Archive - https://mega.nz/folder/z09XnbJb#_zhn8hagC5wzt7iCYFYlHA

All of these are direct DL or torrent links and most are on Sadpanda. Someone also uploaded another from PIA MOOK that has a torrent link:

https://e-hentai.org/g/2981204/ceb74acde2/