Mapping on a cylinder exported from rhino

Hi there!
This is my first post here, but i’ve looked around and didn’t find an answer to the issue i’m encountering…
I’m trying to put a rope mapping that i created on vray via a generic mapping on a cylinder that i exported from rhino.
But it looks like the surface is misunderstood by sketchup, so i tried to download fredo6 tools for meshmappings and it still doesn’t recognize the surface ; could the problem be related to the nurbs export? Should i try to draw my cylinder on sketchup or should i look for a way to convert the surface int triangles or quad meshes?
Any solution is welcome! :slight_smile:

Cheers xx

Try with sketchUV plugin. Did you use thrupaint?

Yes, unfortunately it doesn’t work… so i might try create lines and work with clothwork, but it means that i have to recreate elements which is not ideal :confused:

Can you share the texture you created? I could make a video showing you how you can map the cylinder.

As to exporting to SketchUp from Rhino, I have found it is wisest to first convert all model geometry to meshes inside Rhino, then to use the reducemesh command to make it a manageable size and to export to SketchUp after that. Exporting directly creates overly dense meshes that SketchUp has difficulty handling.

I managed to map it just as it should! But the bump and displacement maps don’t appear, the material stays flat . I changed the direction of the surface but nothing changes…

What could be the problem?

Thanks i’ll definitely give it a try! :slight_smile:

Where do you expect them to appear? SketchUp doesn’t have either feature. You must probably add them back in the renderer you use.

Here’s the link for the texture


I apply all my mappings in vray

Moved to the Vray category.

1 Like

You should only really need 3 of those maps - this will help light react better to the flat surfaces of the cylinder.

  • Albedo in the diffuse section

  • roughness in the reflection section (change surface control to roughness)

  • Normal in the bump section (change to normal map)

delete the displacement one - that shouldn’t be used anymore.

If you really have time and some memory to burn you could apply the height map as a 2d displacement in the geometries area of v-ray.
This is an expensive operation to perform, whilst it looks great up close it will slow you down - so maybe only use it if the whole image hinges on this rope.
Maybe you work for a rope manufactuer :smiley:

1 Like

Thank you very much! Very useful indeed :slight_smile: I actually don’t but should work for a manufacturer, good idea :wink:

1 Like