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I want to know if there is a function in Photoshop to transform a circular cog wheel I have illustrated so that the cogs are pointing inwards instead of outwards. What I would need is something like a weighted puppet transform. Has any one done something similar?

ADD: I do not want ordinary gears. I'm asking a function to warp an already existing gear so that the teeth that are now outwards turn inwards keeping the current graphic style of my gear.

enter image description here

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    Hi and welcome to GDSE! Please add an image of the cog wheel you have drawn and maybe also a quick sketch of how you want it to look. It's too hard to imagine what you are trying to achieve. Are you trying to somehow "mirror" an image towards the center? Sounds tricky.
    – Wolff
    Jul 18, 2020 at 10:33
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    Hi. Welcome to GDSE. Can you please supply an image showing what you trying to alter? Also how is the cog wheel constructed? Is it vector or raster? Have you thought about using an actual vector image editor instead? The idea of creating a cog wheel in Photoshop seems a bit strange to be honest. It has extremely limited vector functionality. Creating an inside-out cog wheel would be easy in a vector image editor. See example here
    – Billy Kerr
    Jul 18, 2020 at 10:52
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    Polar to rectangular conversion then flip and rectangular to polar conversion?
    – joojaa
    Jul 18, 2020 at 15:17
  • Thanks @joojaa this is how I did it! :)
    – Pablo Jomer
    Jul 18, 2020 at 17:05
  • @BillyKerr that is exactly what I wanted.
    – Pablo Jomer
    Jul 18, 2020 at 17:07

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I went with the suggestion by @joojaa

Filter -> Polar Coordinates... I selected Polar to rectangular then I did the necessary transformations in this case Edit -> Transform -> Warp after that I returned to Polar coordinates using Filter -> Polar Coordinates... this time with the option Rectangular to polar.

Super easy. :)

enter image description here enter image description here

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  • If this is what's wanted accept your own answer to close the case. Otherwise this stays unsolved and cannot be found as solved.
    – user82991
    Jul 19, 2020 at 9:58
  • It takes two days before I can accept it. Not sure why.
    – Pablo Jomer
    Jul 19, 2020 at 19:35
  • Some of us get addicted of web reputation. GDSE have blocked one easy way to get it fast.
    – user82991
    Jul 19, 2020 at 21:23
  • Hehe I have a bit already over on stackoverflow. :P 7k plus so I think I should be trusted here as well. :)
    – Pablo Jomer
    Jul 19, 2020 at 22:07

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