I renember seeing these bases being available to download for free in may of 2023 but I wasn't able to download them in time before the download was closed (they were originally from LyraLaney's account)
But some time ago I saw that this website had them as well,
https://chilkad.booth.pm/items/2357971but even if I have an account it doesn't admit my credit card so if someone still has them can you send a link here?