I want to create an SVG image that looks like a spherical triangle with three circles positioned at each vertex. Here’s what I’m trying to achieve:
Is it possible to do this in Photoshop? (If not, is there any other graphic design tool out there suited for this that I might want to hear about?)
Answer
The shape you are trying to draw is a reuleaux triangle with circles on each corner. Seeing as you are asking if it can be done in Photoshop I am going to assume you have Illustrator as well.
The main thing to remember is that a reuleaux triangle is fundamentally an equilateral triangle but with curved edges. So that is what we will create first.
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Put 3 in the text box and illustrator will create an equilateral triangle
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Using the eclipse tool, hold shift and draw a perfect circle around one of the 3 anchor points.
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Now we use the “Shape Builder Tool”
Press and hold the Option/ALT key to delete the shapes you don’t want.
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Now with what is left, drag across the shapes you do want to merge them together
Attribution
Source : Link , Question Author : James Ko , Answer Author : Kevin Auyeung