Stencil for diagramming switchboards.
A stencil set for talk/conversation bubbles.
Tango icon library actions symbols
Tango icon library category symbols
Tango icon library device symbols
Tango icon library emblem symbols
Tango icon library status symbols
Tetris blocks and Matrix
This is Service Design Thinking Icon Set
"This is Service Design Thinking" is a book on service design that offers up a visual language/icon set with a CC license. The only problem is that they only offer AI vector files or flat pdfs. That problem is solved here!