Author Topic: Lines showing in model  (Read 1099 times)

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Offline abishek

Lines showing in model
« on: September 21, 2021, 05:12:52 am »
I am getting these kinds of lines in the model after applying the material to it.

I used fusion 360 and keyshot.

Offline RRIS

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Re: Lines showing in model
« Reply #1 on: September 21, 2021, 06:02:20 am »
Have you encountered this problem before with other geometry made in Fusion 360?

I'm thinking perhaps your model has unwelded vertices (an unchecked option at export perhaps?). But I don't use Fusion 360, so it's just a guess.

Offline TGS808

Re: Lines showing in model
« Reply #2 on: September 21, 2021, 05:20:53 pm »
Was the model made in F360? If so, it shouldn't look like that. What file type did you export? Try exporting as an .stp or .igs.
« Last Edit: September 22, 2021, 05:05:35 am by TGS808 »

Offline abishek

Re: Lines showing in model
« Reply #3 on: September 21, 2021, 08:17:23 pm »
Have you encountered this problem before with other geometry made in Fusion 360?

I'm thinking perhaps your model has unwelded vertices (an unchecked option at export perhaps?). But I don't use Fusion 360, so it's just a guess.

Thanks.
Yes for every model I am having the same problem. The same problem occurred in the below model also.I will check on the modeling side.

Offline abishek

Re: Lines showing in model
« Reply #4 on: September 21, 2021, 09:54:18 pm »
Was the model was made in F360? If so, it shouldn't look like that. What file type did you export? Try exporting as an .stp or .igs.

I have used the .stl file. Thanks, I tried with both .stp and .igs files there wasn't any problem with it. Now it works fine

Offline DriesV

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Re: Lines showing in model
« Reply #5 on: September 24, 2021, 02:03:57 am »
For smooth shading of curved surfaces, vertex normals are required. STL as a format does not include vertex normals, so models imported as STL files will always appear faceted. A solution could be to use the 'Edit Normals' tool in KeyShot to calculate the vertex normals. That usually does a good job of smoothing out the shading of the mesh.

When importing STP and IGES files (together with many more NURBS-based formats), the tessellation of the model is done in KeyShot. As part of this, vertex normals are automatically generated as well.

Dries