Hi Michiel,
Please have a look at the file below
Scene file:
https://www.amazon.com/clouddrive/share/YaP3Yf2czROxtQHCM2SQwv0Ap8djWcV1lOTmgHdtIXb
I have copied your Helix and increased the size a little bit. It is the Helix.rail in the file. The rail is used to give the Sweep-Object an idea where to orientate the profile.
Please note that I have switched off the “Use Rail Scale” inside of the Sweep-Object. It takes normally the distance of the two Helix (in this case) into account, to create a size for the profile along the path. Which can be used to create a very unique object, as it takes always the local distance, not the average.
More about the Sweep-Object
https://help.maxon.net/us/#OSWEEP-ID_OBJECTPROPERTIES
All the best