dia-shapes binary package in Ubuntu Jammy i386

 Dia is an editor for diagrams, graphs, charts etc. There is support for UML
 static structure diagrams (class diagrams), Entity-Relationship diagrams,
 network diagrams and much more. Diagrams can be exported to postscript and
 many other formats.
 .
 This package provides additional shapes for Dia. Included shapes are
  - Automata
  - AUTOSAR
  - Building site
  - Central data processing
  - CH-1 notation
  - Chemistry lab
  - Circuit 2
  - CMOS
  - Digital
  - EPC
  - Electric 2
  - Electrical
  - Electronic
  - Gradient
  - Living Systems Theory
  - Optics
  - Racks
  - Renewable Energy
  - Scenegraph
  - Value Stream Mapping

Source package