And first Happy new years for all !!
Indeed I look for the precise plans of the 20 mm oerlikon barrel to make 3D printing.
I found lots of plans on this site but not on the barrel except my mistake :
https://maritime.org/tech/drawings/20mm/index.php
I�m looking for this type of drawings seen on a forum :


For example drawing n� 299650 - 299652 etc, etc ....
Only those on the barrel itself interest me so if you have something on it!
So long
Alain