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I'm trying to make a connected dots background quite similar to this.

enter image description here

What I'm doing is using the pen tool to make triangles and then manually dragging circles to the anchor points, is there an easier way?

I've tried using circular arrowheads, but they only seem to affect one point in each triangle.

Thanks for your help.

  • I think the only way to do this other than manually is through scripting. I havn't got time now, but I'll see if I can come up with something later if you havn't got an answer by then. – Cai Feb 16 '16 at 12:01
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I have found an imperfect way to do this, it has some problems but it is a start.

I use the properties of the Dashed Stroke :

  • Weight determines the radius of the dots
  • Cap and Corner are both set to rounded
  • The buttons to the right of Dashed Line allow the dashes to be aligned to the corers.
  • Setting the dash length to 0.1pt makes a dash with rounded ends into a nearly-perfect circle
  • If the gap length is set to an amount that is longer than any of the line segments, the dashes will only appear on the corners (Because we set them to align with corners)

Stroke panel

Then we have a stroke that looks like this: Dots on corners

I use the Appearance panel to add a new stroke - and change the settings on the new stroke back to your standard settings you were using before.

Appearance panel

to achieve a stroke that looks like this: Dots and stroke

If this Appearance is applied to your matrix of triangles (I used a Graphic Style) it should add dots to all of the corners. You can see some imperfections in my example, but perhaps with some fine tuning they could be minimized.

Animated result

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