The following samples are reproductions with C4-PlantUML from C4 model core diagrams created by Simon Brown.
Source: C4_Context Diagram Sample - bigbankplc.puml
Source: C4_Container Diagram Sample - bigbankplc.puml
Source: C4_Component Diagram Sample - bigbankplc.puml
Source: C4_Context Diagram Sample - bigbankplc-landscape.puml
Source: C4_Dynamic Diagram Sample - bigbankplc.puml
Source: C4_Deployment Diagram Sample - bigbankplc.puml