I tried to draw such a triangle using 3 circles and lines, but I couldn't fill the shape with color. Using a line and giving it a rounding also did not work, using a square with rounded corners - I'm not sure this is the best way. What tools and approach should I use to draw such a shape enter image description here

  • Have you considered using Illustrator for this? There's a very simple way. Draw a line, with a thick stroke, round caps and round corner joins, expand, then use the corner widget control to round the inner corner only.
    – Billy Kerr
    Nov 14, 2021 at 13:20

1 Answer 1


Depends on the size of your problem there are two features you need to consider: Stroke Join or/and Object > Corner Options...:

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