Cylinders from Rhino show up funny on keyshot

[meaghanparis]

The picture basically sums up my problem.  I have cylinders from rhino that will either show up as cubes or these weird shapes when I toggle the NURBS function.

[TpwUK]

Just to help the tech guys can you answer the following please ...

Windows version ?
Rhino version ?

Are you using the Rhino Plugin or doing import via 3DM ?

Martin

[Robb63]

I used to have issues similar to this when Rhino 5 first came out.

See if this helps... There is a setting in Rhino, where extruded shapes are simplified (almost like a block instance), and not considered by Rhino to be a polysurface until you explode the object. BTW, exploding one of these simplified shapes one time doesn't leave it unjoined, it just makes it a normal polysurface.

If that ends up being the problem, you can turn off the simplified extrude in Rhino.

[Arnaud]

As Robb63 said, by default Rhino5 uses Extrusions instead of Polysurfaces for basic shapes like Cubes and Cylinders. An extrusion is just a planar curve and a vector that indicates the direction. So, there are no Nurbs informations in the files.
Just _Explode and _Join the objects to transform the extrusions in polysurfaces

the _UseExtrusions command allow to switch off the extrusions