If you just want to "spawn" an artifact immediately, you must enable :
: Right-click the game → Properties → General → Launch Options → Type -debug_mode . Crusader Kings III [v1.7.2]
In version 1.7.2 ( Royal Court DLC era), you can create artifacts to display in your court or wear as equipment. If you just want to "spawn" an artifact
: Go to the Decisions menu and select Commission Artifact . You will choose a craftsman (who may have different inspirations) and pay gold to start the process. Crusader Kings III [v1.7.2]