Exported gltf model looks incomplete

Questions
1

I exported a model of gltf format from 3dsmax, when I dragged it into sandbox, I found that the model was imcomplete.No matter how I turned my perspective, what I saw was always the incomplete part directly in front of me.

in 3dsmax:
image

in sandbox:
image

exporter configuration:

image
image924×600 20.3 KB

Then I turn on “Render wireframe over mesh”, the mesh is obviously incomplete:
image

image
image815×448 78.8 KB

Then turn on “Render vertex normals”,

image
image1442×499 155 KB

How can I solve this issue? Thanks in advance!!

2

The best way is to delete the problem mesh and make a new one with all polygons closed.

1 Like
3

It looks like just a backFaceCulling setting of your materials.

image

(not sure, but I think you have an option in your 3dsmax materials about that)

3 Likes
4

Yes!! You are right! Thank you so much!!!