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I am looking for software for drawing shapes and diagrams as distinct from charting software. I'd like to be able to draw a spiral with arrow heads each end. Or circular diagrams made up of two, three or more segments with arrow heads and other ends. Or spirals, loops, or circles on circles.

As explanation is less than adequate, let me offer some examples of the types of diagrams I want to create:

Does anyone know a Windows software that I can use to draw such drawings?

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  • What price range? And are you looking to be able to draw such diagrams with some software or for software to do it for you automatically?
    – Steve Barnes
    Commented Sep 23, 2017 at 7:04
  • At first glance, this seems like a state/event diagram. Not 100%, but very, very close. If you don't get an acceptable answer, try Googling that term
    – Mawg
    Commented Sep 23, 2017 at 12:29
  • I have used Dia for some engineering applications (as I have seen the subject, fuzzy logic), maybe that would be useful
    – LazyBolt_1998
    Commented Sep 24, 2017 at 2:37

2 Answers 2

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Rather than tools which let me draw diagrams, I always prefer tools which will generate diagrams, preferably from textual input.

And the go-to tool for that is GraphViz, and has been for decades.

As a very simple example, this input: 

graph { 
    a -- b; 
    b -- c; 
    a -- c; 
    d -- c; 
    e -- c; 
    e -- a; 
}

generates this diagram:

enter image description here

Take a look at the examples gallery, and I think that you will find that you have your answer. And, it is cross platform, and free.

enter image description here

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    Thanks Mawg, GraphViz is a lovely product and very useful for social network diagrams and the like. It is, however, not what I'm looking for. I really appreciate you replying to my post. Thanks again!
    – ta96
    Commented Sep 25, 2017 at 5:30
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    Can you tell us what it is missing? Perhaps there exists a mod/plugin/extension which would help? Is it to do with annotation, or don't you like that fact that you have to provide a text file? The more detail you can give, then better chance that we can help you - which is what we want to do :-)
    – Mawg
    Commented Sep 25, 2017 at 7:48
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Maybe yEd ? It's full of parameters, maybe some of them will help you ?

Here is one example among many others from the link above :

yed example

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