Hi there,
I want to create a helix that starts with a small pitch and gradually changes into a larger one. Something equivalent to the pic below.
I have looked through the various forum question threads to find a solution to this problem, I see this topic was last visited in 2020 and I don't see a definitive solution just yet. Has fusion 360 included this as a feature tool yet?
No, Fusion 360 does not have a variable helix function or command.
John Hackney, Retired
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There's an equation curve Add-In.
Here's some theory:
https://forums.autodesk.com/t5/inventor-forum/variable-pitch-helix-by-equation-curve/td-p/3507770
Walter Holzwarth
Unfortunately Fusion is missing this. This is the best I could do so far without any add-in:
Needs more work to be usable. For now it's best to use the add-in @WHolzwarth mentioned.
Here's a link to the Addin.
Unfortunately with a number of these Addins we are moving away from the spirit of Fusion 360 as this one seems to be available for Windows only 😕
![Variable Pitch Helix [Hamid].gif](https://forums.autodesk.com/t5/image/serverpage/image-id/1029632iC453C4D61372C317/image-size/large?v=v2&px=999 "Variable Pitch Helix [Hamid].gif")
