Certainly doable if there is enough interest in them. ID Cards though....that might be a different story. Would depend on design and how much information people wanted on them.
Maybe have the B&C logo and a blank space where the frater could put what details they wanted on there?
Formerly known as Cpt Ventris Legions/Chapters/Armies/Forces/Whatever:
30k: 10th Expeditionary Fleet 'Legion of Terra' - 18 Legiones Astartes detachments from all active Legions;
Geno One-Four-One Akkad 'Black Scorpions'; Dominion of Thedas 3rd Spartii Imperialis Auxilia Regiment; House Cousland; 901st Solar Auxiliary Cohort
40k: SM: Astral Claws 3rd company; Sol Wardens; Steel Wolves [Brotherhood of the Steel-Eyed-Wolf of the Ordu of Jaghatai]; Dorn's Sentinels
BA Successor: Crimson Saints
DA Successor: Void Angels
Astra Militarum/Imperial Guard: 83rd Tyrant's Legion;
Knight House: House Cousland
Renegade Astartes: Void Knights
True-Scale: The Legion of Blackshields