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I'm trying to make helix shaped road. I tried screw modifier but it's ended up with weird shapes. Here my road onbect :

Road Object Without Any Modifier

I tried array and simple deform modifier but i couldn't bend it from z axis too. Here my result :

Array and Simple Deform

I researched alot and i ended up with screw modifier. But i couldn't use it properly. It's look like really weird. I couldn't fix it.

Screw Modifier

I want to make helix shaped road like this :

helix shaped car park

Thanks for the all tips and comments!

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Curve Modifier with Spiral

You can't keep the materials or the mesh structure (yelow and black alternance) with the screw modifier because it was made to work with 2D profiles, not 3D objects.

You could instead go back to the array and use the Curve modifier (instead of Simple deform modifier) to bend the array using a spiral curve as deforming object.

You can use the "Add Curve: Extra objects" add-on to quickly generate a Archmedian or Logaritìthmic curve with the needed radiut and height displace.

Here's a possible modifiers stack for the object.

enter image description here

After that, fix the "rollercoaster effect" by switching to Z-Up twisting method in the curve parameter.

enter image description here

You can now repeat the road turn for each level of the building with an another array modifier.

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