My screw modifier is not following spiral curve the way I want it to. Im using Curve Spirals > Archemedian (from the extra curve addons). I can best explain it with an image. enter image description here

I do not want it to make itself thinner and fatter periodically, but cannot find a solution. Thanks for helping. EDIT: File for anyone that wants it:


The problem is caused by the mesh and the curve not having the same origin.
Once the objects are aligned, the spiral has constant width.

spiral with constant width

One way to make the objects share the origin is:

  1. Select the curve, press Shift+S and choose “Cursor to Selection”
  2. Select the mesh, press Shift+S, choose “Selection to Cursor”

Kudos to David for finding the solution for an answer to a similar question

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  • $\begingroup$ Yea! Thanks that was really obvious and stupid at the same time haha BLENDER at it again. :> $\endgroup$ – Bubales May 31 '18 at 13:06

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