You can make your own Forge World rules in the new Ad-Mech codex. Here's how.
Warhammer 40K: Adeptus Mechanicus Distant World Rules - Bell of
Warhammer 40K: Adeptus Mechanicus Distant World Rules - Bell of Lost Souls
Warhammer 40K: 10th Ed Adeptus Mechanicus Rule Previews - Followers of the Omnissiah - Bell of Lost Souls
Warhammer 40K: 10th Ed Adeptus Mechanicus Rule Previews - Followers of the Omnissiah - Bell of Lost Souls
Adeptus Mechanicus - Page 14 of 16 - Bell of Lost Souls
Void Ravens, Warhammer 40,000 Homebrew Wiki
New 40k Adeptus Mechanicus Forge World Rules REVEALED!
Adeptus Mechanicus - Bell of Lost Souls
Start Competing: Adeptus Mechanicus Tactics
Adeptus Mechanicus - Warhammer 40k - Lexicanum
Throw Them Out the Airlock : r/Warhammer40k