@startuml skinparam ComponentStyle rectangle rectangle n2 [ {{ digraph foo { graph [pad=0] b [shape=none, margin=0 label=< <TABLE BGCOLOR="bisque"> <TR><TD COLSPAN="3">elephant</TD> <TD ROWSPAN="2" BGCOLOR="chartreuse" VALIGN="bottom" ALIGN="right">two</TD> </TR> <TR><TD COLSPAN="2" ROWSPAN="2"> <TABLE BGCOLOR="grey"> <TR> <TD>corn</TD> </TR> <TR> <TD BGCOLOR="yellow">c</TD> </TR> <TR> <TD>f</TD> </TR> </TABLE> </TD> <TD BGCOLOR="white">penguin</TD> </TR> <TR> <TD COLSPAN="2" BORDER="4" ALIGN="right" PORT="there">4</TD> </TR> </TABLE>> ] } }} ] rectangle n3 [ {{ digraph foo { graph [pad=0] struct3 [shape=record style=filled, color=yellow, fontcolor=blue, fillcolor=red, label="hello\nworld |{ b |{c|<here> d|e}| f}| g | h"]; } }} The 'record' node is simpler to code, but you can't individually colour different boxes. ] [n1] --> n2 n2 --> n3 @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art